maybe try:
[TABLE="class: head"]
<tbody>[TR="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=000000]#000000[/URL] "]
[TH][/TH]
[TH][COLOR=[URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=FFFFFF]#FFFFFF[/URL] ]A[/COLOR]
[/TH]
[TH][COLOR=[URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=FFFFFF]#FFFFFF[/URL] ]B[/COLOR]
[/TH]
[TH][COLOR=[URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=FFFFFF]#FFFFFF[/URL] ]C[/COLOR]
[/TH]
[/TR]
[TR="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=FFFFFF]#FFFFFF[/URL] "]
[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=000000]#000000[/URL] "][COLOR=[URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=FFFFFF]#FFFFFF[/URL] ]1[/COLOR]
[/TD]
[TD]1
[/TD]
[TD]01[/TD]
[TD]B1: =IF(ISTEXT(A1),A1,BASE(A1,10,2))[/TD]
[/TR]
[TR="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=FFFFFF]#FFFFFF[/URL] "]
[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=000000]#000000[/URL] "][COLOR=[URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=FFFFFF]#FFFFFF[/URL] ]2[/COLOR]
[/TD]
[TD]20
[/TD]
[TD]20[/TD]
[TD][/TD]
[/TR]
[TR="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=FFFFFF]#FFFFFF[/URL] "]
[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=000000]#000000[/URL] "][COLOR=[URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=FFFFFF]#FFFFFF[/URL] ]3[/COLOR]
[/TD]
[TD]3
[/TD]
[TD]03[/TD]
[TD][/TD]
[/TR]
[TR="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=FFFFFF]#FFFFFF[/URL] "]
[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=000000]#000000[/URL] "][COLOR=[URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=FFFFFF]#FFFFFF[/URL] ]4[/COLOR]
[/TD]
[TD]C[/TD]
[TD]C[/TD]
[TD][/TD]
[/TR]
[TR="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=FFFFFF]#FFFFFF[/URL] "]
[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=000000]#000000[/URL] "][COLOR=[URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=FFFFFF]#FFFFFF[/URL] ]5[/COLOR]
[/TD]
[TD]C50[/TD]
[TD]C50[/TD]
[TD][/TD]
[/TR]
[TR="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=FFFFFF]#FFFFFF[/URL] "]
[TD="bgcolor: [URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=000000]#000000[/URL] "][COLOR=[URL=https://www.mrexcel.com/forum/usertag.php?do=list&action=hash&hash=FFFFFF]#FFFFFF[/URL] ]6[/COLOR]
[/TD]
[TD]C 40[/TD]
[TD]C 40[/TD]
[TD][/TD]
[/TR]
</tbody>[/TABLE]