A115597 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 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 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
|
|
