A115597 formatted as a triangular array:
| | | | | | | | 1 | | | | | | | | |
| | | | | | | 1 | | 2 | | | | | | | |
| | | | | | 1 | | 3 | | 6 | | | | | | |
| | | | | 1 | | 4 | | 16 | | 12 | | | | | |
| | | | 1 | | 5 | | 31 | | 84 | | 34 | | | | |
| | | 1 | | 6 | | 52 | | 318 | | 579 | | 87 | | | |
| | 1 | | 7 | | 81 | | 867 | | 5366 | | 5721 | | 302 | | |
| 1 | | 8 | | 118 | | 2028 | | 28722 | | 155291 | | 87381 | | 1118 | |
| 1 | | 9 | | 165 | | 4251 | | 115391 | | 1919895 | | 7855628 | | 2104349 | | 5478 |
A115597 formatted as a square array:
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
| 6 | 16 | 31 | 52 | 81 | 118 | 165 | | |
| 12 | 84 | 318 | 867 | 2028 | 4251 | | | |
| 34 | 579 | 5366 | 28722 | 115391 | | | | |
| 87 | 5721 | 155291 | 1919895 | | | | | |
| 302 | 87381 | 7855628 | | | | | | |
| 1118 | 2104349 | | | | | | | |
| 5478 | | | | | | | | |
A115597 formatted as an upper right triangle:
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| | 6 | 16 | 31 | 52 | 81 | 118 | 165 |
| | | 12 | 84 | 318 | 867 | 2028 | 4251 |
| | | | 34 | 579 | 5366 | 28722 | 115391 |
| | | | | 87 | 5721 | 155291 | 1919895 |
| | | | | | 302 | 87381 | 7855628 |
| | | | | | | 1118 | 2104349 |
| | | | | | | | 5478 |
|
