A155495 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 1 |
| | | | | | | | | 1 | | 12 | | 1 |
| | | | | | | | 1 | | 45 | | 45 | | 1 |
| | | | | | | 1 | | 112 | | 420 | | 112 | | 1 |
| | | | | | 1 | | 225 | | 2100 | | 2100 | | 225 | | 1 |
| | | | | 1 | | 396 | | 7425 | | 18480 | | 7425 | | 396 | | 1 |
| | | | 1 | | 637 | | 21021 | | 105105 | | 105105 | | 21021 | | 637 | | 1 |
| | | 1 | | 960 | | 50960 | | 448448 | | 900900 | | 448448 | | 50960 | | 960 | | 1 |
| | 1 | | 1377 | | 110160 | | 1559376 | | 5513508 | | 5513508 | | 1559376 | | 110160 | | 1377 | | 1 |
|
A155495 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 12 | 45 | 112 | 225 | 396 | 637 | 960 | 1377
| | 1 | 45 | 420 | 2100 | 7425 | 21021 | 50960 | 110160
| | 1 | 112 | 2100 | 18480 | 105105 | 448448 | 1559376
| | 1 | 225 | 7425 | 105105 | 900900 | 5513508
| | 1 | 396 | 21021 | 448448 | 5513508
| | 1 | 637 | 50960 | 1559376
| | 1 | 960 | 110160
| | 1 | 1377
| | 1
|
A155495 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 12 | 45 | 112 | 225 | 396 | 637 | 960 | 1377
| | | 1 | 45 | 420 | 2100 | 7425 | 21021 | 50960 | 110160
| | | | 1 | 112 | 2100 | 18480 | 105105 | 448448 | 1559376
| | | | | 1 | 225 | 7425 | 105105 | 900900 | 5513508
| | | | | | 1 | 396 | 21021 | 448448 | 5513508
| | | | | | | 1 | 637 | 50960 | 1559376
| | | | | | | | 1 | 960 | 110160
| | | | | | | | | 1 | 1377
| | | | | | | | | | 1
|
|
