A055105 formatted as a triangular array:
| | | | | | | | | 1 | | | | | | | | | |
| | | | | | | | 0 | | 1 | | | | | | | | |
| | | | | | | 0 | | 1 | | 1 | | | | | | | |
| | | | | | 0 | | 1 | | 4 | | 1 | | | | | | |
| | | | | 0 | | 1 | | 12 | | 8 | | 1 | | | | | |
| | | | 0 | | 1 | | 33 | | 44 | | 13 | | 1 | | | | |
| | | 0 | | 1 | | 88 | | 208 | | 109 | | 19 | | 1 | | | |
| | 0 | | 1 | | 232 | | 910 | | 753 | | 223 | | 26 | | 1 | | |
| 0 | | 1 | | 609 | | 3809 | | 4674 | | 2091 | | 405 | | 34 | | 1 | |
| 0 | | 1 | | 1596 | | 15521 | | 27161 | | 17220 | | 4926 | | 677 | | 43 | | 1 |
A055105 formatted as a square array:
| 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| 1 | 4 | 12 | 33 | 88 | 232 | 609 | 1596 | | |
| 1 | 8 | 44 | 208 | 910 | 3809 | 15521 | | | |
| 1 | 13 | 109 | 753 | 4674 | 27161 | | | | |
| 1 | 19 | 223 | 2091 | 17220 | | | | | |
| 1 | 26 | 405 | 4926 | | | | | | |
| 1 | 34 | 677 | | | | | | | |
| 1 | 43 | | | | | | | | |
| 1 | | | | | | | | | |
A055105 formatted as an upper right triangle:
| 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| | 1 | 4 | 12 | 33 | 88 | 232 | 609 | 1596 |
| | | 1 | 8 | 44 | 208 | 910 | 3809 | 15521 |
| | | | 1 | 13 | 109 | 753 | 4674 | 27161 |
| | | | | 1 | 19 | 223 | 2091 | 17220 |
| | | | | | 1 | 26 | 405 | 4926 |
| | | | | | | 1 | 34 | 677 |
| | | | | | | | 1 | 43 |
| | | | | | | | | 1 |
|