A156667 formatted as a triangular array:
| | | | | | | | | | 1 | | | | | | | | | | |
| | | | | | | | | 0 | | 1 | | | | | | | | | |
| | | | | | | | 2 | | 0 | | 1 | | | | | | | | |
| | | | | | | 0 | | 2 | | 0 | | 3 | | | | | | | |
| | | | | | 4 | | 0 | | 2 | | 0 | | 5 | | | | | | |
| | | | | 0 | | 4 | | 0 | | 6 | | 0 | | 11 | | | | | |
| | | | 8 | | 0 | | 4 | | 0 | | 10 | | 0 | | 21 | | | | |
| | | 0 | | 8 | | 0 | | 12 | | 0 | | 22 | | 0 | | 43 | | | |
| | 16 | | 0 | | 8 | | 0 | | 20 | | 0 | | 42 | | 0 | | 85 | | |
| 0 | | 16 | | 0 | | 24 | | 0 | | 44 | | 0 | | 86 | | 0 | | 171 | |
| 32 | | 0 | | 16 | | 0 | | 40 | | 0 | | 84 | | 0 | | 170 | | 0 | | 341 |
A156667 formatted as a square array:
| 1 | 0 | 2 | 0 | 4 | 0 | 8 | 0 | 16 | 0 | 32 |
| 1 | 0 | 2 | 0 | 4 | 0 | 8 | 0 | 16 | 0 | |
| 1 | 0 | 2 | 0 | 4 | 0 | 8 | 0 | 16 | | |
| 3 | 0 | 6 | 0 | 12 | 0 | 24 | 0 | | | |
| 5 | 0 | 10 | 0 | 20 | 0 | 40 | | | | |
| 11 | 0 | 22 | 0 | 44 | 0 | | | | | |
| 21 | 0 | 42 | 0 | 84 | | | | | | |
| 43 | 0 | 86 | 0 | | | | | | | |
| 85 | 0 | 170 | | | | | | | | |
| 171 | 0 | | | | | | | | | |
| 341 | | | | | | | | | | |
A156667 formatted as an upper right triangle:
| 1 | 0 | 2 | 0 | 4 | 0 | 8 | 0 | 16 | 0 | 32 |
| 1 | 0 | 2 | 0 | 4 | 0 | 8 | 0 | 16 | 0 |
| | 1 | 0 | 2 | 0 | 4 | 0 | 8 | 0 | 16 |
| | | 3 | 0 | 6 | 0 | 12 | 0 | 24 | 0 |
| | | | 5 | 0 | 10 | 0 | 20 | 0 | 40 |
| | | | | 11 | 0 | 22 | 0 | 44 | 0 |
| | | | | | 21 | 0 | 42 | 0 | 84 |
| | | | | | | 43 | 0 | 86 | 0 |
| | | | | | | | 85 | 0 | 170 |
| | | | | | | | | 171 | 0 |
| | | | | | | | | | 341 |
|