A264550 as a triangular array
| | | | | | | | | | | 0 |
| | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | 1 | | 2 | | 0 |
| | | | | | | | | 1 | | 6 | | 5 | | 0 |
| | | | | | | | 1 | | 16 | | 16 | | 10 | | 1 |
| | | | | | | 3 | | 40 | | 36 | | 45 | | 21 | | 0 |
| | | | | | 3 | | 96 | | 172 | | 216 | | 133 | | 44 | | 0 |
| | | | | 4 | | 240 | | 764 | | 1528 | | 1160 | | 400 | | 93 | | 1 |
| | | | 6 | | 608 | | 2728 | | 11728 | | 14852 | | 4640 | | 1204 | | 196 | | 0 |
| | | 9 | | 1536 | | 9880 | | 66372 | | 163744 | | 105081 | | 23140 | | 3561 | | 413 | | 0 |
| | 12 | | 3840 | | 38818 | | 403920 |
|
A264550 as a square array
0 | 1 | 1 | 1 | 1 | 3 | 3 | 4 | 6 | 9 | 12
| 1 | 2 | 6 | 16 | 40 | 96 | 240 | 608 | 1536 | 3840
| 0 | 5 | 16 | 36 | 172 | 764 | 2728 | 9880 | 38818
| 0 | 10 | 45 | 216 | 1528 | 11728 | 66372 | 403920
| 1 | 21 | 133 | 1160 | 14852 | 163744
| 0 | 44 | 400 | 4640 | 105081
| 0 | 93 | 1204 | 23140
| 1 | 196 | 3561
| 0 | 413
| 0
|
A264550 as an upper right triangle
0 | 1 | 1 | 1 | 1 | 3 | 3 | 4 | 6 | 9 | 12
| | 1 | 2 | 6 | 16 | 40 | 96 | 240 | 608 | 1536 | 3840
| | | 0 | 5 | 16 | 36 | 172 | 764 | 2728 | 9880 | 38818
| | | | 0 | 10 | 45 | 216 | 1528 | 11728 | 66372 | 403920
| | | | | 1 | 21 | 133 | 1160 | 14852 | 163744
| | | | | | 0 | 44 | 400 | 4640 | 105081
| | | | | | | 0 | 93 | 1204 | 23140
| | | | | | | | 1 | 196 | 3561
| | | | | | | | | 0 | 413
| | | | | | | | | | 0
| | | | | | | | | |
|
|