A138765 formatted as a triangular array:
| | | | | | | 2 | | | | | | | |
| | | | | | 5 | | 3 | | | | | | |
| | | | | 10 | | 24 | | 10 | | | | | |
| | | | 17 | | 99 | | 145 | | 24 | | | | |
| | | 26 | | 288 | | 1090 | | 840 | | 65 | | | |
| | 37 | | 675 | | 5185 | | 11880 | | 4901 | | 168 | | |
| 50 | | 1368 | | 18226 | | 93024 | | 129601 | | 28560 | | 441 | |
| 65 | | 2499 | | 51985 | | 491400 | | 1669265 | | 1413720 | | 166465 | | 1155 |
A138765 formatted as a square array:
| 2 | 5 | 10 | 17 | 26 | 37 | 50 | 65 |
| 3 | 24 | 99 | 288 | 675 | 1368 | 2499 | |
| 10 | 145 | 1090 | 5185 | 18226 | 51985 | | |
| 24 | 840 | 11880 | 93024 | 491400 | | | |
| 65 | 4901 | 129601 | 1669265 | | | | |
| 168 | 28560 | 1413720 | | | | | |
| 441 | 166465 | | | | | | |
| 1155 | | | | | | | |
A138765 formatted as an upper right triangle:
| 2 | 5 | 10 | 17 | 26 | 37 | 50 | 65 |
| 3 | 24 | 99 | 288 | 675 | 1368 | 2499 |
| | 10 | 145 | 1090 | 5185 | 18226 | 51985 |
| | | 24 | 840 | 11880 | 93024 | 491400 |
| | | | 65 | 4901 | 129601 | 1669265 |
| | | | | 168 | 28560 | 1413720 |
| | | | | | 441 | 166465 |
| | | | | | | 1155 |
|