A272644 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 1 |
| | | | | | | | | 1 | | 5 | | 1 |
| | | | | | | | 1 | | 13 | | 13 | | 1 |
| | | | | | | 1 | | 29 | | 73 | | 29 | | 1 |
| | | | | | 1 | | 61 | | 301 | | 301 | | 61 | | 1 |
| | | | | 1 | | 125 | | 1081 | | 2069 | | 1081 | | 125 | | 1 |
| | | | 1 | | 253 | | 3613 | | 11581 | | 11581 | | 3613 | | 253 | | 1 |
| | | 1 | | 509 | | 11593 | | 57749 | | 95401 | | 57749 | | 11593 | | 509 | | 1 |
| | 1 | | 1021 | | 36301 | | 268381 | | 673261 | | 673261 | | 268381 | | 36301 | | 1021 | | 1 |
|
A272644 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 5 | 13 | 29 | 61 | 125 | 253 | 509 | 1021
| | 1 | 13 | 73 | 301 | 1081 | 3613 | 11593 | 36301
| | 1 | 29 | 301 | 2069 | 11581 | 57749 | 268381
| | 1 | 61 | 1081 | 11581 | 95401 | 673261
| | 1 | 125 | 3613 | 57749 | 673261
| | 1 | 253 | 11593 | 268381
| | 1 | 509 | 36301
| | 1 | 1021
| | 1
|
A272644 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 5 | 13 | 29 | 61 | 125 | 253 | 509 | 1021
| | | 1 | 13 | 73 | 301 | 1081 | 3613 | 11593 | 36301
| | | | 1 | 29 | 301 | 2069 | 11581 | 57749 | 268381
| | | | | 1 | 61 | 1081 | 11581 | 95401 | 673261
| | | | | | 1 | 125 | 3613 | 57749 | 673261
| | | | | | | 1 | 253 | 11593 | 268381
| | | | | | | | 1 | 509 | 36301
| | | | | | | | | 1 | 1021
| | | | | | | | | | 1
|
|
