A157630 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 1 | | 1 |
| | | | | | | | 1 | | 26 | | 1 |
| | | | | | | 1 | | 165 | | 165 | | 1 |
| | | | | | 1 | | 778 | | 6054 | | 778 | | 1 |
| | | | | 1 | | 3305 | | 94708 | | 94708 | | 3305 | | 1 |
| | | | 1 | | 13506 | | 1042017 | | 4836404 | | 1042017 | | 13506 | | 1 |
| | | 1 | | 54421 | | 9592365 | | 133509509 | | 133509509 | | 9592365 | | 54421 | | 1 |
| | 1 | | 218210 | | 79849738 | | 2613951290 | | 9042784642 |
|
A157630 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 26 | 165 | 778 | 3305 | 13506 | 54421 | 218210
| | 1 | 165 | 6054 | 94708 | 1042017 | 9592365 | 79849738
| | 1 | 778 | 94708 | 4836404 | 133509509 | 2613951290
| | 1 | 3305 | 1042017 | 133509509 | 9042784642
| | 1 | 13506 | 9592365
| | 1 | 54421
| | 1
|
A157630 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 26 | 165 | 778 | 3305 | 13506 | 54421 | 218210
| | | 1 | 165 | 6054 | 94708 | 1042017 | 9592365 | 79849738
| | | | 1 | 778 | 94708 | 4836404 | 133509509 | 2613951290
| | | | | 1 | 3305 | 1042017 | 133509509 | 9042784642
| | | | | | 1 | 13506 | 9592365
| | | | | | | 1 | 54421
| | | | | | | | 1
| | | | | | | |
|
|
