A275431 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 2 | | 1 |
| | | | | | | | | | 5 | | 2 | | 1 |
| | | | | | | | | 14 | | 8 | | 2 | | 1 |
| | | | | | | | 42 | | 24 | | 8 | | 2 | | 1 |
| | | | | | | 132 | | 85 | | 28 | | 8 | | 2 | | 1 |
| | | | | | 429 | | 286 | | 100 | | 28 | | 8 | | 2 | | 1 |
| | | | | 1430 | | 1008 | | 358 | | 105 | | 28 | | 8 | | 2 | | 1 |
| | | | 4862 | | 3536 | | 1309 | | 378 | | 105 | | 28 | | 8 | | 2 | | 1 |
| | | 16796 | | 12618 | | 4772 | | 1410 | | 384 | | 105 | | 28 | | 8 | | 2 | | 1 |
| | 58786 | | 45220 | | 17556 | | 5220 | | 1435 | | 384 | | 105 | | 28 | | 8 | | 2 | | 1 |
|
A275431 as a square array
1 | 2 | 5 | 14 | 42 | 132 | 429 | 1430 | 4862 | 16796 | 58786
| 1 | 2 | 8 | 24 | 85 | 286 | 1008 | 3536 | 12618 | 45220
| 1 | 2 | 8 | 28 | 100 | 358 | 1309 | 4772 | 17556
| 1 | 2 | 8 | 28 | 105 | 378 | 1410 | 5220
| 1 | 2 | 8 | 28 | 105 | 384 | 1435
| 1 | 2 | 8 | 28 | 105 | 384
| 1 | 2 | 8 | 28 | 105
| 1 | 2 | 8 | 28
| 1 | 2 | 8
| 1 | 2
| 1
|
A275431 as an upper right triangle
1 | 2 | 5 | 14 | 42 | 132 | 429 | 1430 | 4862 | 16796 | 58786
| | 1 | 2 | 8 | 24 | 85 | 286 | 1008 | 3536 | 12618 | 45220
| | | 1 | 2 | 8 | 28 | 100 | 358 | 1309 | 4772 | 17556
| | | | 1 | 2 | 8 | 28 | 105 | 378 | 1410 | 5220
| | | | | 1 | 2 | 8 | 28 | 105 | 384 | 1435
| | | | | | 1 | 2 | 8 | 28 | 105 | 384
| | | | | | | 1 | 2 | 8 | 28 | 105
| | | | | | | | 1 | 2 | 8 | 28
| | | | | | | | | 1 | 2 | 8
| | | | | | | | | | 1 | 2
| | | | | | | | | | | 1
|
|