A251836 as a triangular array
| | | | | | | 678 |
| | | | | | | 3354 | | 3354 |
| | | | | | 18124 | | 27554 | | 18124 |
| | | | | 97316 | | 262404 | | 262404 | | 97316 |
| | | | 518514 | | 2298772 | | 4182084 | | 2298772 | | 518514 |
| | | 2764828 | | 20314774 | | 60982362 | | 60982362 | | 20314774 | | 2764828 |
| | 14778068 | | 182241310 | | 909331750 | | 1464435968 | | 909331750 |
|
A251836 as a square array
678 | 3354 | 18124 | 97316 | 518514 | 2764828 | 14778068
| 3354 | 27554 | 262404 | 2298772 | 20314774 | 182241310
| 18124 | 262404 | 4182084 | 60982362 | 909331750
| 97316 | 2298772 | 60982362 | 1464435968
| 518514 | 20314774 | 909331750
| 2764828
|
A251836 as an upper right triangle
678 | 3354 | 18124 | 97316 | 518514 | 2764828 | 14778068
| | 3354 | 27554 | 262404 | 2298772 | 20314774 | 182241310
| | | 18124 | 262404 | 4182084 | 60982362 | 909331750
| | | | 97316 | 2298772 | 60982362 | 1464435968
| | | | | 518514 | 20314774 | 909331750
| | | | | | 2764828
| | | | | |
|
|