A264831 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 1 | | 1 |
| | | | | | | | 1 | | 2 | | 1 |
| | | | | | | 1 | | 4 | | 3 | | 1 |
| | | | | | 2 | | 15 | | 33 | | 7 | | 1 |
| | | | | 4 | | 134 | | 495 | | 288 | | 27 | | 1 |
| | | | 8 | | 978 | | 17181 | | 32296 | | 5400 | | 84 | | 1 |
| | | 16 | | 10370 | | 881444 | | 4911976 | | 2648254 | | 165333 | | 533 | | 2 |
| | 48 | | 114292 | | 43181739 |
|
A264831 as a square array
| 1 | 1 | 1 | 1 | 2 | 4 | 8 | 16 | 48
| | 1 | 2 | 4 | 15 | 134 | 978 | 10370 | 114292
| | 1 | 3 | 33 | 495 | 17181 | 881444 | 43181739
| | 1 | 7 | 288 | 32296 | 4911976
| | 1 | 27 | 5400 | 2648254
| | 1 | 84 | 165333
| | 1 | 533
| | 2
|
A264831 as an upper right triangle
| 1 | 1 | 1 | 1 | 2 | 4 | 8 | 16 | 48
| | 1 | 2 | 4 | 15 | 134 | 978 | 10370 | 114292
| | | 1 | 3 | 33 | 495 | 17181 | 881444 | 43181739
| | | | 1 | 7 | 288 | 32296 | 4911976
| | | | | 1 | 27 | 5400 | 2648254
| | | | | | 1 | 84 | 165333
| | | | | | | 1 | 533
| | | | | | | | 2
| | | | | | | |
|
|
