A259972 as a triangular array
| | | | | | | 1 |
| | | | | | | 2 | | 1 |
| | | | | | 5 | | 7 | | 3 |
| | | | | 20 | | 58 | | 60 | | 21 |
| | | | 179 | | 838 | | 1458 | | 1113 | | 315 |
| | | 4082 | | 25171 | | 60780 | | 72135 | | 42210 | | 9765 |
| | 218225 | | 1610977 | | 4871193 | | 7745115 | | 6844635 | | 3193155 | | 615195 |
|
A259972 as a square array
| 1 | 2 | 5 | 20 | 179 | 4082 | 218225
| | 1 | 7 | 58 | 838 | 25171 | 1610977
| | 3 | 60 | 1458 | 60780 | 4871193
| | 21 | 1113 | 72135 | 7745115
| | 315 | 42210 | 6844635
| | 9765 | 3193155
| | 615195
|
A259972 as an upper right triangle
| 1 | 2 | 5 | 20 | 179 | 4082 | 218225
| | 1 | 7 | 58 | 838 | 25171 | 1610977
| | | 3 | 60 | 1458 | 60780 | 4871193
| | | | 21 | 1113 | 72135 | 7745115
| | | | | 315 | 42210 | 6844635
| | | | | | 9765 | 3193155
| | | | | | | 615195
|
|
