A286331 as a triangular array
| | | | | | | | 1 |
| | | | | | | | 1 | | 1 |
| | | | | | | 1 | | 9 | | 6 |
| | | | | | 1 | | 49 | | 294 | | 168 |
| | | | | 1 | | 225 | | 7350 | | 37800 | | 20160 |
| | | | 1 | | 961 | | 144150 | | 4036200 | | 19373760 | | 9999360 |
| | | 1 | | 3969 | | 2542806 | | 326932200 | | 8543828160 | | 39687459840 | | 20158709760 |
| | 1 | | 16129 | | 42677334 | | 23435953128 | | 2812314375360 | | 71124337751040 | | 325139829719040 | | 163849992929280 |
|
A286331 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 9 | 49 | 225 | 961 | 3969 | 16129
| | 6 | 294 | 7350 | 144150 | 2542806 | 42677334
| | 168 | 37800 | 4036200 | 326932200 | 23435953128
| | 20160 | 19373760 | 8543828160 | 2812314375360
| | 9999360 | 39687459840 | 71124337751040
| | 20158709760 | 325139829719040
| | 163849992929280
|
A286331 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 9 | 49 | 225 | 961 | 3969 | 16129
| | | 6 | 294 | 7350 | 144150 | 2542806 | 42677334
| | | | 168 | 37800 | 4036200 | 326932200 | 23435953128
| | | | | 20160 | 19373760 | 8543828160 | 2812314375360
| | | | | | 9999360 | 39687459840 | 71124337751040
| | | | | | | 20158709760 | 325139829719040
| | | | | | | | 163849992929280
|
|
