A064231 formatted as a triangular array:
| | | | | 2 | | | | | |
| | | | 8 | | 8 | | | | |
| | | 32 | | 288 | | 192 | | | |
| | 128 | | 6272 | | 36864 | | 22272 | | |
| 512 | | 115200 | | 3456000 | | 18432000 | | 11550720 | |
| 2048 | | 1968128 | | 243302400 | | 6471168000 | | 36373708800 | | 25629327360 |
A064231 formatted as a square array:
| 2 | 8 | 32 | 128 | 512 | 2048 |
| 8 | 288 | 6272 | 115200 | 1968128 | |
| 192 | 36864 | 3456000 | 243302400 | | |
| 22272 | 18432000 | 6471168000 | | | |
| 11550720 | 36373708800 | | | | |
| 25629327360 | | | | | |
A064231 formatted as an upper right triangle:
| 2 | 8 | 32 | 128 | 512 | 2048 |
| 8 | 288 | 6272 | 115200 | 1968128 |
| | 192 | 36864 | 3456000 | 243302400 |
| | | 22272 | 18432000 | 6471168000 |
| | | | 11550720 | 36373708800 |
| | | | | 25629327360 |
|
