A063180 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 0 | | 1 |
| | | | | | | | | 0 | | 1 | | 2 |
| | | | | | | | 0 | | 2 | | 3 | | 4 |
| | | | | | | 0 | | 4 | | 7 | | 10 | | 12 |
| | | | | | 0 | | 12 | | 22 | | 31 | | 38 | | 42 |
| | | | | 0 | | 42 | | 80 | | 115 | | 144 | | 166 | | 178 |
| | | | 0 | | 178 | | 344 | | 500 | | 637 | | 748 | | 828 | | 870 |
| | | 0 | | 870 | | 1698 | | 2488 | | 3205 | | 3820 | | 4308 | | 4652 | | 4830 |
| | 0 | | 4830 | | 9482 | | 13968 | | 18132 |
|
A063180 as a square array
1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| 1 | 1 | 2 | 4 | 12 | 42 | 178 | 870 | 4830
| 2 | 3 | 7 | 22 | 80 | 344 | 1698 | 9482
| 4 | 10 | 31 | 115 | 500 | 2488 | 13968
| 12 | 38 | 144 | 637 | 3205 | 18132
| 42 | 166 | 748 | 3820
| 178 | 828 | 4308
| 870 | 4652
| 4830
|
A063180 as an upper right triangle
1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | 1 | 1 | 2 | 4 | 12 | 42 | 178 | 870 | 4830
| | | 2 | 3 | 7 | 22 | 80 | 344 | 1698 | 9482
| | | | 4 | 10 | 31 | 115 | 500 | 2488 | 13968
| | | | | 12 | 38 | 144 | 637 | 3205 | 18132
| | | | | | 42 | 166 | 748 | 3820
| | | | | | | 178 | 828 | 4308
| | | | | | | | 870 | 4652
| | | | | | | | | 4830
| | | | | | | | |
|
|