A015112 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 1 |
| | | | | | | | | 1 | | -3 | | 1 |
| | | | | | | | 1 | | 13 | | 13 | | 1 |
| | | | | | | 1 | | -51 | | 221 | | -51 | | 1 |
| | | | | | 1 | | 205 | | 3485 | | 3485 | | 205 | | 1 |
| | | | | 1 | | -819 | | 55965 | | -219555 | | 55965 | | -819 | | 1 |
| | | | 1 | | 3277 | | 894621 | | 14107485 | | 14107485 | | 894621 | | 3277 | | 1 |
| | | 1 | | -13107 | | 14317213 | | -901984419 | | 3625623645 | | -901984419 | | 14317213 | | -13107 | | 1 |
| | 1 |
|
A015112 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | -3 | 13 | -51 | 205 | -819 | 3277 | -13107
| | 1 | 13 | 221 | 3485 | 55965 | 894621 | 14317213
| | 1 | -51 | 3485 | -219555 | 14107485 | -901984419
| | 1 | 205 | 55965 | 14107485 | 3625623645
| | 1 | -819 | 894621 | -901984419
| | 1 | 3277 | 14317213
| | 1 | -13107
| | 1
|
A015112 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | -3 | 13 | -51 | 205 | -819 | 3277 | -13107
| | | 1 | 13 | 221 | 3485 | 55965 | 894621 | 14317213
| | | | 1 | -51 | 3485 | -219555 | 14107485 | -901984419
| | | | | 1 | 205 | 55965 | 14107485 | 3625623645
| | | | | | 1 | -819 | 894621 | -901984419
| | | | | | | 1 | 3277 | 14317213
| | | | | | | | 1 | -13107
| | | | | | | | | 1
| | | | | | | | |
|
|
