A236884 as a triangular array
| | | | | | | | 81 |
| | | | | | | | 211 | | 211 |
| | | | | | | 537 | | 669 | | 537 |
| | | | | | 1523 | | 2111 | | 2111 | | 1523 |
| | | | | 4309 | | 7995 | | 7900 | | 7995 | | 4309 |
| | | | 12723 | | 29673 | | 40199 | | 40199 | | 29673 | | 12723 |
| | | 37701 | | 117703 | | 189527 | | 316921 | | 189527 | | 117703 | | 37701 |
| | 113771 | | 462885 | | 1031110 | | 2265637 | | 2265637 | | 1031110 | | 462885 |
|
A236884 as a square array
81 | 211 | 537 | 1523 | 4309 | 12723 | 37701 | 113771
| 211 | 669 | 2111 | 7995 | 29673 | 117703 | 462885
| 537 | 2111 | 7900 | 40199 | 189527 | 1031110
| 1523 | 7995 | 40199 | 316921 | 2265637
| 4309 | 29673 | 189527 | 2265637
| 12723 | 117703 | 1031110
| 37701 | 462885
|
A236884 as an upper right triangle
81 | 211 | 537 | 1523 | 4309 | 12723 | 37701 | 113771
| | 211 | 669 | 2111 | 7995 | 29673 | 117703 | 462885
| | | 537 | 2111 | 7900 | 40199 | 189527 | 1031110
| | | | 1523 | 7995 | 40199 | 316921 | 2265637
| | | | | 4309 | 29673 | 189527 | 2265637
| | | | | | 12723 | 117703 | 1031110
| | | | | | | 37701 | 462885
| | | | | | |
|
|