A306641 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 1 | | 2 |
| | | | | | | | 1 | | 2 | | 3 |
| | | | | | | 1 | | 4 | | 4 | | 4 |
| | | | | | 1 | | 12 | | 36 | | 8 | | 5 |
| | | | | 1 | | 48 | | 900 | | 400 | | 16 | | 6 |
| | | | 1 | | 240 | | 45360 | | 94080 | | 4900 | | 32 | | 7 |
| | | 1 | | 1440 | | 3855600 | | 60614400 | | 11988900 | | 63504 | | 64 | | 8 |
| | 1 | | 10080 | | 493970400 | | 82065984000 | | 114144030000 | | 1704214512 | | 853776 | | 128 | | 9 |
|
A306641 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 2 | 2 | 4 | 12 | 48 | 240 | 1440 | 10080
| | 3 | 4 | 36 | 900 | 45360 | 3855600 | 493970400
| | 4 | 8 | 400 | 94080 | 60614400 | 82065984000
| | 5 | 16 | 4900 | 11988900 | 114144030000
| | 6 | 32 | 63504 | 1704214512
| | 7 | 64 | 853776
| | 8 | 128
| | 9
|
A306641 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 2 | 2 | 4 | 12 | 48 | 240 | 1440 | 10080
| | | 3 | 4 | 36 | 900 | 45360 | 3855600 | 493970400
| | | | 4 | 8 | 400 | 94080 | 60614400 | 82065984000
| | | | | 5 | 16 | 4900 | 11988900 | 114144030000
| | | | | | 6 | 32 | 63504 | 1704214512
| | | | | | | 7 | 64 | 853776
| | | | | | | | 8 | 128
| | | | | | | | | 9
|
|
