A015121 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 1 | | 1 |
| | | | | | | | 1 | | -8 | | 1 |
| | | | | | | 1 | | 73 | | 73 | | 1 |
| | | | | | 1 | | -656 | | 5986 | | -656 | | 1 |
| | | | | 1 | | 5905 | | 484210 | | 484210 | | 5905 | | 1 |
| | | | 1 | | -53144 | | 39226915 | | -352504880 | | 39226915 | | -53144 | | 1 |
| | | 1 | | 478297 | | 3177326971 | | 257015284435 | | 257015284435 | | 3177326971 | | 478297 | | 1 |
| | 1 | | -4304672 | | 257363962948 |
|
A015121 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | -8 | 73 | -656 | 5905 | -53144 | 478297 | -4304672
| | 1 | 73 | 5986 | 484210 | 39226915 | 3177326971 | 257363962948
| | 1 | -656 | 484210 | -352504880 | 257015284435
| | 1 | 5905 | 39226915 | 257015284435
| | 1 | -53144 | 3177326971
| | 1 | 478297
| | 1
|
A015121 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | -8 | 73 | -656 | 5905 | -53144 | 478297 | -4304672
| | | 1 | 73 | 5986 | 484210 | 39226915 | 3177326971 | 257363962948
| | | | 1 | -656 | 484210 | -352504880 | 257015284435
| | | | | 1 | 5905 | 39226915 | 257015284435
| | | | | | 1 | -53144 | 3177326971
| | | | | | | 1 | 478297
| | | | | | | | 1
| | | | | | | |
|
|
