A073201 as a triangular array
| | | | | | | | | | | | 1 |
| | | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | | 1 | | 1 | | 1 |
| | | | | | | | | | 3 | | 2 | | 1 | | 1 |
| | | | | | | | | 7 | | 4 | | 1 | | 1 | | 1 |
| | | | | | | | 22 | | 11 | | 3 | | 1 | | 1 | | 1 |
| | | | | | | 66 | | 31 | | 7 | | 2 | | 1 | | 1 | | 1 |
| | | | | | 217 | | 96 | | 22 | | 4 | | 3 | | 1 | | 1 | | 1 |
| | | | | 715 | | 305 | | 66 | | 11 | | 7 | | 2 | | 1 | | 1 | | 1 |
| | | | 2438 | | 1007 | | 217 | | 30 | | 22 | | 4 | | 2 | | 2 | | 1 | | 1 |
| | | 8398 | | 3389 | | 715 | | 93 | | 66 | | 11 | | 3 | | 5 | | 1 | | 1 | | 1 |
| | 29414 | | 11636 | | 2438 | | 292 | | 217 | | 30 | | 6 | | 14 | | 2 | | 2 | | 1 | | 1 |
|
A073201 as a square array
| 1 | 1 | 1 | 3 | 7 | 22 | 66 | 217 | 715 | 2438 | 8398 | 29414
| | 1 | 1 | 2 | 4 | 11 | 31 | 96 | 305 | 1007 | 3389 | 11636
| | 1 | 1 | 1 | 3 | 7 | 22 | 66 | 217 | 715 | 2438
| | 1 | 1 | 1 | 2 | 4 | 11 | 30 | 93 | 292
| | 1 | 1 | 1 | 3 | 7 | 22 | 66 | 217
| | 1 | 1 | 1 | 2 | 4 | 11 | 30
| | 1 | 1 | 1 | 2 | 3 | 6
| | 1 | 1 | 2 | 5 | 14
| | 1 | 1 | 1 | 2
| | 1 | 1 | 2
| | 1 | 1
| | 1
|
A073201 as an upper right triangle
| 1 | 1 | 1 | 3 | 7 | 22 | 66 | 217 | 715 | 2438 | 8398 | 29414
| | 1 | 1 | 2 | 4 | 11 | 31 | 96 | 305 | 1007 | 3389 | 11636
| | | 1 | 1 | 1 | 3 | 7 | 22 | 66 | 217 | 715 | 2438
| | | | 1 | 1 | 1 | 2 | 4 | 11 | 30 | 93 | 292
| | | | | 1 | 1 | 1 | 3 | 7 | 22 | 66 | 217
| | | | | | 1 | 1 | 1 | 2 | 4 | 11 | 30
| | | | | | | 1 | 1 | 1 | 2 | 3 | 6
| | | | | | | | 1 | 1 | 2 | 5 | 14
| | | | | | | | | 1 | 1 | 1 | 2
| | | | | | | | | | 1 | 1 | 2
| | | | | | | | | | | 1 | 1
| | | | | | | | | | | | 1
|
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