A071223 formatted as a triangular array:
| | | | | | | | 2 | | | | | | | | |
| | | | | | | 2 | | 6 | | | | | | | |
| | | | | | 2 | | 12 | | 24 | | | | | | |
| | | | | 2 | | 20 | | 72 | | 120 | | | | | |
| | | | 2 | | 30 | | 172 | | 480 | | 720 | | | | |
| | | 2 | | 42 | | 352 | | 1512 | | 3600 | | 5040 | | | |
| | 2 | | 56 | | 646 | | 3976 | | 14184 | | 30240 | | 40320 | | |
| 2 | | 72 | | 1094 | | 9144 | | 45992 | | 143712 | | 282240 | | 362880 | |
| 2 | | 90 | | 1742 | | 18990 | | 128288 | | 557640 | | 1575648 | | 2903040 | | 3628800 |
A071223 formatted as a square array:
| 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| 6 | 12 | 20 | 30 | 42 | 56 | 72 | 90 | |
| 24 | 72 | 172 | 352 | 646 | 1094 | 1742 | | |
| 120 | 480 | 1512 | 3976 | 9144 | 18990 | | | |
| 720 | 3600 | 14184 | 45992 | 128288 | | | | |
| 5040 | 30240 | 143712 | 557640 | | | | | |
| 40320 | 282240 | 1575648 | | | | | | |
| 362880 | 2903040 | | | | | | | |
| 3628800 | | | | | | | | |
A071223 formatted as an upper right triangle:
| 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| 6 | 12 | 20 | 30 | 42 | 56 | 72 | 90 |
| | 24 | 72 | 172 | 352 | 646 | 1094 | 1742 |
| | | 120 | 480 | 1512 | 3976 | 9144 | 18990 |
| | | | 720 | 3600 | 14184 | 45992 | 128288 |
| | | | | 5040 | 30240 | 143712 | 557640 |
| | | | | | 40320 | 282240 | 1575648 |
| | | | | | | 362880 | 2903040 |
| | | | | | | | 3628800 |
|