A108440 formatted as a triangular array:
| | | | | | | | 1 | | | | | | | | |
| | | | | | | 1 | | 1 | | | | | | | |
| | | | | | 5 | | 4 | | 1 | | | | | | |
| | | | | 33 | | 25 | | 7 | | 1 | | | | | |
| | | | 249 | | 184 | | 54 | | 10 | | 1 | | | | |
| | | 2033 | | 1481 | | 446 | | 92 | | 13 | | 1 | | | |
| | 17485 | | 12620 | | 3863 | | 846 | | 139 | | 16 | | 1 | | |
| 156033 | | 111889 | | 34637 | | 7881 | | 1411 | | 195 | | 19 | | 1 | |
| 1431281 | | 1021424 | | 318812 | | 74492 | | 14102 | | 2168 | | 260 | | 22 | | 1 |
A108440 formatted as a square array:
| 1 | 1 | 5 | 33 | 249 | 2033 | 17485 | 156033 | 1431281 |
| 1 | 4 | 25 | 184 | 1481 | 12620 | 111889 | 1021424 | |
| 1 | 7 | 54 | 446 | 3863 | 34637 | 318812 | | |
| 1 | 10 | 92 | 846 | 7881 | 74492 | | | |
| 1 | 13 | 139 | 1411 | 14102 | | | | |
| 1 | 16 | 195 | 2168 | | | | | |
| 1 | 19 | 260 | | | | | | |
| 1 | 22 | | | | | | | |
| 1 | | | | | | | | |
A108440 formatted as an upper right triangle:
| 1 | 1 | 5 | 33 | 249 | 2033 | 17485 | 156033 | 1431281 |
| 1 | 4 | 25 | 184 | 1481 | 12620 | 111889 | 1021424 |
| | 1 | 7 | 54 | 446 | 3863 | 34637 | 318812 |
| | | 1 | 10 | 92 | 846 | 7881 | 74492 |
| | | | 1 | 13 | 139 | 1411 | 14102 |
| | | | | 1 | 16 | 195 | 2168 |
| | | | | | 1 | 19 | 260 |
| | | | | | | 1 | 22 |
| | | | | | | | 1 |
|
