A090441 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 1 |
| | | | | | | | | 1 | | 1 | | 1 |
| | | | | | | | 1 | | 2 | | 2 | | 1 |
| | | | | | | 1 | | 6 | | 12 | | 6 | | 1 |
| | | | | | 1 | | 24 | | 144 | | 144 | | 24 | | 1 |
| | | | | 1 | | 120 | | 2880 | | 8640 | | 2880 | | 120 | | 1 |
| | | | 1 | | 720 | | 86400 | | 1036800 | | 1036800 | | 86400 | | 720 | | 1 |
| | | 1 | | 5040 | | 3628800 | | 217728000 | | 870912000 | | 217728000 | | 3628800 | | 5040 | | 1 |
| | 1 | | 40320 | | 203212800 | | 73156608000 |
|
A090441 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 2 | 6 | 24 | 120 | 720 | 5040 | 40320
| | 1 | 2 | 12 | 144 | 2880 | 86400 | 3628800 | 203212800
| | 1 | 6 | 144 | 8640 | 1036800 | 217728000 | 73156608000
| | 1 | 24 | 2880 | 1036800 | 870912000
| | 1 | 120 | 86400 | 217728000
| | 1 | 720 | 3628800
| | 1 | 5040
| | 1
|
A090441 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 2 | 6 | 24 | 120 | 720 | 5040 | 40320
| | | 1 | 2 | 12 | 144 | 2880 | 86400 | 3628800 | 203212800
| | | | 1 | 6 | 144 | 8640 | 1036800 | 217728000 | 73156608000
| | | | | 1 | 24 | 2880 | 1036800 | 870912000
| | | | | | 1 | 120 | 86400 | 217728000
| | | | | | | 1 | 720 | 3628800
| | | | | | | | 1 | 5040
| | | | | | | | | 1
| | | | | | | | |
|
|
