A066387 formatted as a triangular array:
| | | | | | | | | | 1 | | | | | | | | | | |
| | | | | | | | | 1 | | 2 | | | | | | | | | |
| | | | | | | | 1 | | 0 | | 6 | | | | | | | | |
| | | | | | | 1 | | 12 | | 0 | | 24 | | | | | | | |
| | | | | | 1 | | 0 | | 0 | | 0 | | 120 | | | | | | |
| | | | | 1 | | 120 | | 360 | | 0 | | 0 | | 720 | | | | | |
| | | | 1 | | 0 | | 0 | | 0 | | 0 | | 0 | | 5040 | | | | |
| | | 1 | | 1680 | | 0 | | 20160 | | 0 | | 0 | | 0 | | 40320 | | | |
| | 1 | | 0 | | 60480 | | 0 | | 0 | | 0 | | 0 | | 0 | | 362880 | | |
| 1 | | 30240 | | 0 | | 0 | | 1814400 | | 0 | | 0 | | 0 | | 0 | | 3628800 | |
| 1 | | 0 | | 0 | | 0 | | 0 | | 0 | | 0 | | 0 | | 0 | | 0 | | 39916800 |
A066387 formatted as a square array:
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 2 | 0 | 12 | 0 | 120 | 0 | 1680 | 0 | 30240 | 0 | |
| 6 | 0 | 0 | 360 | 0 | 0 | 60480 | 0 | 0 | | |
| 24 | 0 | 0 | 0 | 20160 | 0 | 0 | 0 | | | |
| 120 | 0 | 0 | 0 | 0 | 1814400 | 0 | | | | |
| 720 | 0 | 0 | 0 | 0 | 0 | | | | | |
| 5040 | 0 | 0 | 0 | 0 | | | | | | |
| 40320 | 0 | 0 | 0 | | | | | | | |
| 362880 | 0 | 0 | | | | | | | | |
| 3628800 | 0 | | | | | | | | | |
| 39916800 | | | | | | | | | | |
A066387 formatted as an upper right triangle:
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 2 | 0 | 12 | 0 | 120 | 0 | 1680 | 0 | 30240 | 0 |
| | 6 | 0 | 0 | 360 | 0 | 0 | 60480 | 0 | 0 |
| | | 24 | 0 | 0 | 0 | 20160 | 0 | 0 | 0 |
| | | | 120 | 0 | 0 | 0 | 0 | 1814400 | 0 |
| | | | | 720 | 0 | 0 | 0 | 0 | 0 |
| | | | | | 5040 | 0 | 0 | 0 | 0 |
| | | | | | | 40320 | 0 | 0 | 0 |
| | | | | | | | 362880 | 0 | 0 |
| | | | | | | | | 3628800 | 0 |
| | | | | | | | | | 39916800 |
|