A081297 as a triangular array
| | | | | | | | | | | | 1 |
| | | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | | 1 | | 1 | | 1 |
| | | | | | | | | | 1 | | 1 | | 3 | | 1 |
| | | | | | | | | 1 | | 1 | | 7 | | 5 | | 1 |
| | | | | | | | 1 | | 1 | | 13 | | 13 | | 11 | | 1 |
| | | | | | | 1 | | 1 | | 21 | | 25 | | 55 | | 21 | | 1 |
| | | | | | 1 | | 1 | | 31 | | 41 | | 181 | | 133 | | 43 | | 1 |
| | | | | 1 | | 1 | | 43 | | 61 | | 461 | | 481 | | 463 | | 85 | | 1 |
| | | | 1 | | 1 | | 57 | | 85 | | 991 | | 1281 | | 2653 | | 1261 | | 171 | | 1 |
| | | 1 | | 1 | | 73 | | 113 | | 1891 | | 2821 | | 10501 | | 8425 | | 4039 | | 341 | | 1 |
| | 1 | | 1 | | 91 | | 145 | | 3305 |
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A081297 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 3 | 7 | 13 | 21 | 31 | 43 | 57 | 73 | 91
| | 1 | 5 | 13 | 25 | 41 | 61 | 85 | 113 | 145
| | 1 | 11 | 55 | 181 | 461 | 991 | 1891 | 3305
| | 1 | 21 | 133 | 481 | 1281 | 2821
| | 1 | 43 | 463 | 2653 | 10501
| | 1 | 85 | 1261 | 8425
| | 1 | 171 | 4039
| | 1 | 341
| | 1
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A081297 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | | 1 | 3 | 7 | 13 | 21 | 31 | 43 | 57 | 73 | 91
| | | | 1 | 5 | 13 | 25 | 41 | 61 | 85 | 113 | 145
| | | | | 1 | 11 | 55 | 181 | 461 | 991 | 1891 | 3305
| | | | | | 1 | 21 | 133 | 481 | 1281 | 2821
| | | | | | | 1 | 43 | 463 | 2653 | 10501
| | | | | | | | 1 | 85 | 1261 | 8425
| | | | | | | | | 1 | 171 | 4039
| | | | | | | | | | 1 | 341
| | | | | | | | | | | 1
| | | | | | | | | | |
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