A156919 formatted as a triangular array:
| | | | | | | 1 | | | | | | | |
| | | | | | 2 | | 1 | | | | | | |
| | | | | 4 | | 10 | | 1 | | | | | |
| | | | 8 | | 60 | | 36 | | 1 | | | | |
| | | 16 | | 296 | | 516 | | 116 | | 1 | | | |
| | 32 | | 1328 | | 5168 | | 3508 | | 358 | | 1 | | |
| 64 | | 5664 | | 42960 | | 64240 | | 21120 | | 1086 | | 1 | |
| 128 | | 23488 | | 320064 | | 900560 | | 660880 | | 118632 | | 3272 | | 1 |
A156919 formatted as a square array:
| 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128 |
| 1 | 10 | 60 | 296 | 1328 | 5664 | 23488 | |
| 1 | 36 | 516 | 5168 | 42960 | 320064 | | |
| 1 | 116 | 3508 | 64240 | 900560 | | | |
| 1 | 358 | 21120 | 660880 | | | | |
| 1 | 1086 | 118632 | | | | | |
| 1 | 3272 | | | | | | |
| 1 | | | | | | | |
A156919 formatted as an upper right triangle:
| 1 | 2 | 4 | 8 | 16 | 32 | 64 | 128 |
| 1 | 10 | 60 | 296 | 1328 | 5664 | 23488 |
| | 1 | 36 | 516 | 5168 | 42960 | 320064 |
| | | 1 | 116 | 3508 | 64240 | 900560 |
| | | | 1 | 358 | 21120 | 660880 |
| | | | | 1 | 1086 | 118632 |
| | | | | | 1 | 3272 |
| | | | | | | 1 |
|
