TRICKY Qs - Check if a series is missing in given range

A

adiritz

New Member
Joined
Mar 19, 2015
Messages
10
In Column A, I have numbers from 1 to 40.

From cell B16 and so on, I want to display a series of 9 continuous numbers which did not appear in last 15 rows(range A1:A15)

COLUMN A

1
12
24
40
35
30
33
2
25
17
8
0
20
39
30

DISPLAY "NONE" as no continuous 9 numbers were missing in the last 15 rows


1
12
24
40
35
30
33
2
25
17
26
0
20
39
30

DISPLAY "3-11" as continuous 9 numbers from 3 to 11 were missing in the last 15 rows

Is this possible?

Please advice.
 

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Maybe something like this


[TABLE="class: grid"]
<tbody>[TR]
[TD="bgcolor: #DCE6F1"][/TD]
[TD="bgcolor: #DCE6F1"]
A​
[/TD]
[TD="bgcolor: #DCE6F1"]
B​
[/TD]
[TD="bgcolor: #DCE6F1"]
C​
[/TD]
[TD="bgcolor: #DCE6F1"]
D​
[/TD]
[TD="bgcolor: #DCE6F1"]
E​
[/TD]
[TD="bgcolor: #DCE6F1"]
F​
[/TD]
[TD="bgcolor: #DCE6F1"]
G​
[/TD]
[TD="bgcolor: #DCE6F1"]
H​
[/TD]
[TD="bgcolor: #DCE6F1"]
I​
[/TD]
[TD="bgcolor: #DCE6F1"]
J​
[/TD]
[TD="bgcolor: #DCE6F1"]
K​
[/TD]
[TD="bgcolor: #DCE6F1"]
L​
[/TD]
[TD="bgcolor: #DCE6F1"]
M​
[/TD]
[TD="bgcolor: #DCE6F1"]
N​
[/TD]
[/TR]
[TR]
[TD="bgcolor: #DCE6F1"]
1​
[/TD]
[TD]
Numbers​
[/TD]
[TD][/TD]
[TD][/TD]
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[TR]
[TD="bgcolor: #DCE6F1"]
2​
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[TD="bgcolor: #D9D9D9"]
1​
[/TD]
[TD][/TD]
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[TD="bgcolor: #DCE6F1"]
3​
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[TD="bgcolor: #D9D9D9"]
12​
[/TD]
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4​
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[TD="bgcolor: #DCE6F1"]
5​
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[TD="bgcolor: #D9D9D9"]
40​
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[TD="bgcolor: #DCE6F1"]
6​
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35​
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[TR]
[TD="bgcolor: #DCE6F1"]
7​
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[TD="bgcolor: #D9D9D9"]
30​
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8​
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33​
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[TD="bgcolor: #DCE6F1"]
9​
[/TD]
[TD="bgcolor: #D9D9D9"]
2​
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[TD="bgcolor: #DCE6F1"]
10​
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[TD="bgcolor: #D9D9D9"]
25​
[/TD]
[TD][/TD]
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[TD="bgcolor: #DCE6F1"]
11​
[/TD]
[TD="bgcolor: #D9D9D9"]
17​
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12​
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8​
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13​
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[TD="bgcolor: #D9D9D9"]
0​
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14​
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20​
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[TD="bgcolor: #DCE6F1"]
15​
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[TD="bgcolor: #D9D9D9"]
39​
[/TD]
[TD]
MaxMissing​
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[TD]
Largest​
[/TD]
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[TD]
List​
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[TD][/TD]
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16​
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[TD="bgcolor: #D9D9D9"]
30​
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5​
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N/A​
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[TD][/TD]
[TD="bgcolor: #D8E4BC"][/TD]
[TD="bgcolor: #D8E4BC"][/TD]
[TD="bgcolor: #D8E4BC"][/TD]
[TD="bgcolor: #D8E4BC"][/TD]
[TD="bgcolor: #D8E4BC"][/TD]
[TD="bgcolor: #D8E4BC"][/TD]
[TD="bgcolor: #D8E4BC"][/TD]
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[TD="bgcolor: #D8E4BC"][/TD]
[TD="bgcolor: #D8E4BC"][/TD]
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[TD="bgcolor: #DCE6F1"]
17​
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[TD="bgcolor: #DCE6F1"]
1​
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18​
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12​
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19​
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24​
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[TD="bgcolor: #DCE6F1"]
20​
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[TD="bgcolor: #DCE6F1"]
40​
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21​
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[TD="bgcolor: #DCE6F1"]
35​
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22​
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30​
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[TD="bgcolor: #DCE6F1"]
23​
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[TD="bgcolor: #DCE6F1"]
33​
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[TD="bgcolor: #DCE6F1"]
24​
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[TD="bgcolor: #DCE6F1"]
2​
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25​
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25​
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26​
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[TD="bgcolor: #DCE6F1"]
17​
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[TR]
[TD="bgcolor: #DCE6F1"]
27​
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[TD="bgcolor: #DCE6F1"]
26​
[/TD]
[TD][/TD]
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[TD][/TD]
[/TR]
[TR]
[TD="bgcolor: #DCE6F1"]
28​
[/TD]
[TD="bgcolor: #DCE6F1"]
0​
[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
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[/TR]
[TR]
[TD="bgcolor: #DCE6F1"]
29​
[/TD]
[TD="bgcolor: #DCE6F1"]
20​
[/TD]
[TD][/TD]
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[/TR]
[TR]
[TD="bgcolor: #DCE6F1"]
30​
[/TD]
[TD="bgcolor: #DCE6F1"]
39​
[/TD]
[TD]
MaxMissing​
[/TD]
[TD]
Largest​
[/TD]
[TD][/TD]
[TD]
List​
[/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[TD][/TD]
[/TR]
[TR]
[TD="bgcolor: #DCE6F1"]
31​
[/TD]
[TD="bgcolor: #DCE6F1"]
30​
[/TD]
[TD]
9​
[/TD]
[TD]
11​
[/TD]
[TD][/TD]
[TD="bgcolor: #D8E4BC"]
3​
[/TD]
[TD="bgcolor: #D8E4BC"]
4​
[/TD]
[TD="bgcolor: #D8E4BC"]
5​
[/TD]
[TD="bgcolor: #D8E4BC"]
6​
[/TD]
[TD="bgcolor: #D8E4BC"]
7​
[/TD]
[TD="bgcolor: #D8E4BC"]
8​
[/TD]
[TD="bgcolor: #D8E4BC"]
9​
[/TD]
[TD="bgcolor: #D8E4BC"]
10​
[/TD]
[TD="bgcolor: #D8E4BC"]
11​
[/TD]
[TD="bgcolor: #D8E4BC"][/TD]
[/TR]
</tbody>[/TABLE]


Array formula in B16
=MAX(FREQUENCY(IF(ISNA(MATCH(ROW($1:$41)-1,A2:A16,0)),ROW($1:$41)-1),A2:A16))
Ctrl+Shift+Enter

Array formula in C16
=IF(B16>=9,INDEX(A2:A16,MATCH(B16,FREQUENCY(IF(ISNA(MATCH(ROW($1:$41)-1,A2:A16,0)),ROW($1:$41)-1),A2:A16),0))-1,"N/A")
Ctrl+Shift+Enter

Regular formula in E16 copied across as long as needed (till N16 for example)
=IF($B16>=9,IF($B16>=COLUMNS($E16:E16),$C16-$B16+COLUMNS($E2:E2),""),"")
confirmed with just Enter

Then
select cells B15:N16 and copy (Ctrl+C)
select cell B30 and paste (Ctrl+V)

Done!

Hope this helps

M.
 
Last edited:
Upvote 0
oops... the formula in E16 has a typo (not important for calculation)

New version
=IF($B16>=9,IF($B16>=COLUMNS($E16:E16),$C16-$B16+COLUMNS($E16:E16),""),"")

M.
 
Upvote 0
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