A309220 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 2 |
| | | | | | | | | | 1 | | 3 | | 6 |
| | | | | | | | | 1 | | 4 | | 11 | | 14 |
| | | | | | | | 1 | | 5 | | 18 | | 36 | | 34 |
| | | | | | | 1 | | 6 | | 27 | | 76 | | 119 | | 82 |
| | | | | | 1 | | 7 | | 38 | | 140 | | 322 | | 393 | | 198 |
| | | | | 1 | | 8 | | 51 | | 234 | | 727 | | 1364 | | 1298 | | 478 |
| | | | 1 | | 9 | | 66 | | 364 | | 1442 | | 3775 | | 5778 | | 4287 | | 1154 |
| | | 1 | | 10 | | 83 | | 536 | | 2599 | | 8886 | | 19602 | | 24476 | | 14159 | | 2786 |
| | 1 | | 11 | | 102 | | 756 | | 4354 | | 18557 |
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A309220 as a square array
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11
| 6 | 11 | 18 | 27 | 38 | 51 | 66 | 83 | 102
| 14 | 36 | 76 | 140 | 234 | 364 | 536 | 756
| 34 | 119 | 322 | 727 | 1442 | 2599 | 4354
| 82 | 393 | 1364 | 3775 | 8886 | 18557
| 198 | 1298 | 5778 | 19602
| 478 | 4287 | 24476
| 1154 | 14159
| 2786
|
A309220 as an upper right triangle
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11
| | | 6 | 11 | 18 | 27 | 38 | 51 | 66 | 83 | 102
| | | | 14 | 36 | 76 | 140 | 234 | 364 | 536 | 756
| | | | | 34 | 119 | 322 | 727 | 1442 | 2599 | 4354
| | | | | | 82 | 393 | 1364 | 3775 | 8886 | 18557
| | | | | | | 198 | 1298 | 5778 | 19602
| | | | | | | | 478 | 4287 | 24476
| | | | | | | | | 1154 | 14159
| | | | | | | | | | 2786
| | | | | | | | | |
|
|