A115196 formatted as a triangular array:
| | | | | | | | 1 | | | | | | | | |
| | | | | | | 1 | | 2 | | | | | | | |
| | | | | | 1 | | 3 | | 6 | | | | | | |
| | | | | 1 | | 4 | | 15 | | 13 | | | | | |
| | | | 1 | | 5 | | 30 | | 82 | | 37 | | | | |
| | | 1 | | 6 | | 51 | | 301 | | 578 | | 106 | | | |
| | 1 | | 7 | | 80 | | 842 | | 4985 | | 6021 | | 409 | | |
| 1 | | 8 | | 117 | | 1995 | | 27107 | | 142276 | | 101267 | | 1896 | |
| 1 | | 9 | | 164 | | 4210 | | 112225 | | 1724440 | | 7269487 | | 2882460 | | 12171 |
A115196 formatted as a square array:
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
| 6 | 15 | 30 | 51 | 80 | 117 | 164 | | |
| 13 | 82 | 301 | 842 | 1995 | 4210 | | | |
| 37 | 578 | 4985 | 27107 | 112225 | | | | |
| 106 | 6021 | 142276 | 1724440 | | | | | |
| 409 | 101267 | 7269487 | | | | | | |
| 1896 | 2882460 | | | | | | | |
| 12171 | | | | | | | | |
A115196 formatted as an upper right triangle:
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| | 6 | 15 | 30 | 51 | 80 | 117 | 164 |
| | | 13 | 82 | 301 | 842 | 1995 | 4210 |
| | | | 37 | 578 | 4985 | 27107 | 112225 |
| | | | | 106 | 6021 | 142276 | 1724440 |
| | | | | | 409 | 101267 | 7269487 |
| | | | | | | 1896 | 2882460 |
| | | | | | | | 12171 |
|
