A291652 as a triangular array
| | | | | | | | | | | | | 1 |
| | | | | | | | | | | | | 1 | | 0 |
| | | | | | | | | | | | 1 | | 1 | | 0 |
| | | | | | | | | | | 1 | | 2 | | 1 | | 0 |
| | | | | | | | | | 1 | | 3 | | 3 | | 2 | | 0 |
| | | | | | | | | 1 | | 4 | | 6 | | 6 | | 3 | | 0 |
| | | | | | | | 1 | | 5 | | 10 | | 13 | | 11 | | 5 | | 0 |
| | | | | | | 1 | | 6 | | 15 | | 24 | | 27 | | 20 | | 9 | | 0 |
| | | | | | 1 | | 7 | | 21 | | 40 | | 55 | | 54 | | 38 | | 15 | | 0 |
| | | | | 1 | | 8 | | 28 | | 62 | | 100 | | 120 | | 109 | | 70 | | 26 | | 0 |
| | | | 1 | | 9 | | 36 | | 91 | | 168 | | 236 | | 258 | | 216 | | 129 | | 45 | | 0 |
| | | 1 | | 10 | | 45 | | 128 | | 266 | | 426 | | 540 | | 544 | | 423 | | 238 | | 78 | | 0 |
| | 1 | | 11 | | 55 | | 174 | | 402 | | 721 | | 1035 | | 1205 | | 1127 | | 824 | | 437 | | 135 | | 0 |
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A291652 as a square array
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11
| 0 | 1 | 3 | 6 | 10 | 15 | 21 | 28 | 36 | 45 | 55
| 0 | 2 | 6 | 13 | 24 | 40 | 62 | 91 | 128 | 174
| 0 | 3 | 11 | 27 | 55 | 100 | 168 | 266 | 402
| 0 | 5 | 20 | 54 | 120 | 236 | 426 | 721
| 0 | 9 | 38 | 109 | 258 | 540 | 1035
| 0 | 15 | 70 | 216 | 544 | 1205
| 0 | 26 | 129 | 423 | 1127
| 0 | 45 | 238 | 824
| 0 | 78 | 437
| 0 | 135
| 0
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A291652 as an upper right triangle
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11
| | | 0 | 1 | 3 | 6 | 10 | 15 | 21 | 28 | 36 | 45 | 55
| | | | 0 | 2 | 6 | 13 | 24 | 40 | 62 | 91 | 128 | 174
| | | | | 0 | 3 | 11 | 27 | 55 | 100 | 168 | 266 | 402
| | | | | | 0 | 5 | 20 | 54 | 120 | 236 | 426 | 721
| | | | | | | 0 | 9 | 38 | 109 | 258 | 540 | 1035
| | | | | | | | 0 | 15 | 70 | 216 | 544 | 1205
| | | | | | | | | 0 | 26 | 129 | 423 | 1127
| | | | | | | | | | 0 | 45 | 238 | 824
| | | | | | | | | | | 0 | 78 | 437
| | | | | | | | | | | | 0 | 135
| | | | | | | | | | | | | 0
|
|