Here's another option, not as nice as bbot's, but if the cells were scattered around it would work. The first cell reference after A1, is the value to return if A1=1, the second if A2=2 and so on.
<colgroup><col style="width: 25pxpx"><col><col><col><col></colgroup><thead>
</thead><tbody>
[TD="align: center"]1[/TD]
[TD="align: right"]8[/TD]
[TD="align: right"][/TD]
[TD="align: right"][/TD]
[TD="align: right"][/TD]
[TD="align: center"]2[/TD]
[TD="align: right"]3[/TD]
[TD="align: right"][/TD]
[TD="align: right"][/TD]
[TD="align: right"][/TD]
[TD="align: center"]3[/TD]
[TD="align: right"][/TD]
[TD="align: right"][/TD]
[TD="align: right"][/TD]
[TD="align: right"][/TD]
[TD="align: center"]4[/TD]
[TD="align: right"][/TD]
[TD="align: right"][/TD]
[TD="align: right"]1[/TD]
[TD="align: right"][/TD]
[TD="align: center"]5[/TD]
[TD="align: right"][/TD]
[TD="align: right"][/TD]
[TD="align: right"]2[/TD]
[TD="align: right"][/TD]
[TD="align: center"]6[/TD]
[TD="align: right"][/TD]
[TD="align: right"][/TD]
[TD="align: right"]3[/TD]
[TD="align: right"][/TD]
[TD="align: center"]7[/TD]
[TD="align: right"][/TD]
[TD="align: right"][/TD]
[TD="align: right"]4[/TD]
[TD="align: right"][/TD]
[TD="align: center"]8[/TD]
[TD="align: right"][/TD]
[TD="align: right"][/TD]
[TD="align: right"]5[/TD]
[TD="align: right"][/TD]
[TD="align: center"]9[/TD]
[TD="align: right"][/TD]
[TD="align: right"][/TD]
[TD="align: right"]6[/TD]
[TD="align: right"][/TD]
[TD="align: center"]10[/TD]
[TD="align: right"][/TD]
[TD="align: right"][/TD]
[TD="align: right"]7[/TD]
[TD="align: right"][/TD]
[TD="align: center"]11[/TD]
[TD="align: right"][/TD]
[TD="align: right"][/TD]
[TD="align: right"]8[/TD]
[TD="align: right"][/TD]
[TD="align: center"]12[/TD]
[TD="align: right"][/TD]
[TD="align: right"][/TD]
[TD="align: right"]9[/TD]
[TD="align: right"][/TD]
[TD="align: center"]13[/TD]
[TD="align: right"][/TD]
[TD="align: right"][/TD]
[TD="align: right"]10[/TD]
[TD="align: right"][/TD]
</tbody>