A180793 as a triangular array
| | | | | | | | | | | | 0 |
| | | | | | | | | | | | 0 | | 1 |
| | | | | | | | | | | 0 | | 0 | | 2 |
| | | | | | | | | | 0 | | 1 | | 1 | | 2 |
| | | | | | | | | 0 | | 0 | | 3 | | 4 | | 3 |
| | | | | | | | 0 | | 1 | | 7 | | 14 | | 9 | | 2 |
| | | | | | | 0 | | 0 | | 5 | | 30 | | 46 | | 19 | | 4 |
| | | | | | 0 | | 1 | | 9 | | 64 | | 142 | | 106 | | 31 | | 4 |
| | | | | 0 | | 0 | | 15 | | 112 | | 400 | | 502 | | 254 | | 42 | | 4 |
| | | | 0 | | 1 | | 12 | | 198 | | 1004 | | 1914 | | 1519 | | 494 | | 75 | | 3 |
| | | 0 | | 0 | | 18 | | 318 | | 2282 | | 6404 | | 7589 | | 3828 | | 939 | | 91 | | 6 |
| | 0 | | 1 | | 26 | | 502 | | 4868 | | 19300 |
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A180793 as a square array
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1
| 2 | 1 | 3 | 7 | 5 | 9 | 15 | 12 | 18 | 26
| 2 | 4 | 14 | 30 | 64 | 112 | 198 | 318 | 502
| 3 | 9 | 46 | 142 | 400 | 1004 | 2282 | 4868
| 2 | 19 | 106 | 502 | 1914 | 6404 | 19300
| 4 | 31 | 254 | 1519 | 7589
| 4 | 42 | 494 | 3828
| 4 | 75 | 939
| 3 | 91
| 6
|
A180793 as an upper right triangle
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1
| | | 2 | 1 | 3 | 7 | 5 | 9 | 15 | 12 | 18 | 26
| | | | 2 | 4 | 14 | 30 | 64 | 112 | 198 | 318 | 502
| | | | | 3 | 9 | 46 | 142 | 400 | 1004 | 2282 | 4868
| | | | | | 2 | 19 | 106 | 502 | 1914 | 6404 | 19300
| | | | | | | 4 | 31 | 254 | 1519 | 7589
| | | | | | | | 4 | 42 | 494 | 3828
| | | | | | | | | 4 | 75 | 939
| | | | | | | | | | 3 | 91
| | | | | | | | | | | 6
| | | | | | | | | | |
|
|