A251491 as a triangular array
| | | | | | | 236 |
| | | | | | | 3456 | | 3456 |
| | | | | | 50576 | | 186304 | | 50576 |
| | | | | 740096 | | 10046784 | | 10046784 | | 740096 |
| | | | 10830016 | | 541815424 | | 1996407424 | | 541815424 | | 10830016 |
| | | 158478336 | | 29219848960 | | 396684056960 | | 396684056960 | | 29219848960 | | 158478336 |
| | 2319053056 |
|
A251491 as a square array
236 | 3456 | 50576 | 740096 | 10830016 | 158478336 | 2319053056
| 3456 | 186304 | 10046784 | 541815424 | 29219848960
| 50576 | 10046784 | 1996407424 | 396684056960
| 740096 | 541815424 | 396684056960
| 10830016 | 29219848960
| 158478336
|
A251491 as an upper right triangle
236 | 3456 | 50576 | 740096 | 10830016 | 158478336 | 2319053056
| | 3456 | 186304 | 10046784 | 541815424 | 29219848960
| | | 50576 | 10046784 | 1996407424 | 396684056960
| | | | 740096 | 541815424 | 396684056960
| | | | | 10830016 | 29219848960
| | | | | | 158478336
| | | | | |
|
|