A157905 formatted as a triangular array:
| | | | | | | | | | 1 | | | | | | | | | | |
| | | | | | | | | 1 | | 1 | | | | | | | | | |
| | | | | | | | 1 | | 1 | | 2 | | | | | | | | |
| | | | | | | 1 | | 1 | | 2 | | 4 | | | | | | | |
| | | | | | 2 | | 1 | | 2 | | 4 | | 8 | | | | | | |
| | | | | 3 | | 2 | | 2 | | 4 | | 8 | | 17 | | | | | |
| | | | 6 | | 3 | | 4 | | 4 | | 8 | | 17 | | 36 | | | | |
| | | 11 | | 6 | | 6 | | 8 | | 8 | | 17 | | 36 | | 78 | | | |
| | 23 | | 11 | | 12 | | 12 | | 16 | | 17 | | 36 | | 78 | | 170 | | |
| 47 | | 23 | | 22 | | 24 | | 24 | | 34 | | 36 | | 78 | | 170 | | 375 | |
| 106 | | 47 | | 46 | | 44 | | 48 | | 51 | | 72 | | 78 | | 170 | | 375 | | 833 |
A157905 formatted as a square array:
| 1 | 1 | 1 | 1 | 2 | 3 | 6 | 11 | 23 | 47 | 106 |
| 1 | 1 | 1 | 1 | 2 | 3 | 6 | 11 | 23 | 47 | |
| 2 | 2 | 2 | 2 | 4 | 6 | 12 | 22 | 46 | | |
| 4 | 4 | 4 | 4 | 8 | 12 | 24 | 44 | | | |
| 8 | 8 | 8 | 8 | 16 | 24 | 48 | | | | |
| 17 | 17 | 17 | 17 | 34 | 51 | | | | | |
| 36 | 36 | 36 | 36 | 72 | | | | | | |
| 78 | 78 | 78 | 78 | | | | | | | |
| 170 | 170 | 170 | | | | | | | | |
| 375 | 375 | | | | | | | | | |
| 833 | | | | | | | | | | |
A157905 formatted as an upper right triangle:
| 1 | 1 | 1 | 1 | 2 | 3 | 6 | 11 | 23 | 47 | 106 |
| 1 | 1 | 1 | 1 | 2 | 3 | 6 | 11 | 23 | 47 |
| | 2 | 2 | 2 | 2 | 4 | 6 | 12 | 22 | 46 |
| | | 4 | 4 | 4 | 4 | 8 | 12 | 24 | 44 |
| | | | 8 | 8 | 8 | 8 | 16 | 24 | 48 |
| | | | | 17 | 17 | 17 | 17 | 34 | 51 |
| | | | | | 36 | 36 | 36 | 36 | 72 |
| | | | | | | 78 | 78 | 78 | 78 |
| | | | | | | | 170 | 170 | 170 |
| | | | | | | | | 375 | 375 |
| | | | | | | | | | 833 |
|