A223257 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 1 |
| | | | | | | | | 1 | | 2 | | 1 |
| | | | | | | | 1 | | 6 | | 6 | | 1 |
| | | | | | | 1 | | 12 | | 24 | | 12 | | 1 |
| | | | | | 1 | | 60 | | 120 | | 120 | | 60 | | 1 |
| | | | | 1 | | 20 | | 180 | | 720 | | 180 | | 20 | | 1 |
| | | | 1 | | 140 | | 126 | | 1680 | | 1680 | | 126 | | 140 | | 1 |
| | | 1 | | 280 | | 10080 | | 10080 | | 40320 | | 10080 | | 10080 | | 280 | | 1 |
| | 1 | | 2520 | | 10080 | | 1296 | | 3456 | | 3456 | | 1296 | | 10080 | | 2520 | | 1 |
|
A223257 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 2 | 6 | 12 | 60 | 20 | 140 | 280 | 2520
| | 1 | 6 | 24 | 120 | 180 | 126 | 10080 | 10080
| | 1 | 12 | 120 | 720 | 1680 | 10080 | 1296
| | 1 | 60 | 180 | 1680 | 40320 | 3456
| | 1 | 20 | 126 | 10080 | 3456
| | 1 | 140 | 10080 | 1296
| | 1 | 280 | 10080
| | 1 | 2520
| | 1
|
A223257 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 2 | 6 | 12 | 60 | 20 | 140 | 280 | 2520
| | | 1 | 6 | 24 | 120 | 180 | 126 | 10080 | 10080
| | | | 1 | 12 | 120 | 720 | 1680 | 10080 | 1296
| | | | | 1 | 60 | 180 | 1680 | 40320 | 3456
| | | | | | 1 | 20 | 126 | 10080 | 3456
| | | | | | | 1 | 140 | 10080 | 1296
| | | | | | | | 1 | 280 | 10080
| | | | | | | | | 1 | 2520
| | | | | | | | | | 1
|
|
