A156992 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 2 | | 2 |
| | | | | | | | 6 | | 12 | | 6 |
| | | | | | | 24 | | 72 | | 72 | | 24 |
| | | | | | 120 | | 480 | | 720 | | 480 | | 120 |
| | | | | 720 | | 3600 | | 7200 | | 7200 | | 3600 | | 720 |
| | | | 5040 | | 30240 | | 75600 | | 100800 | | 75600 | | 30240 | | 5040 |
| | | 40320 | | 282240 | | 846720 | | 1411200 | | 1411200 | | 846720 | | 282240 | | 40320 |
| | 362880 | | 2903040 | | 10160640 | | 20321280 | | 25401600 | | 20321280 | | 10160640 | | 2903040 | | 362880 |
|
A156992 as a square array
1 | 2 | 6 | 24 | 120 | 720 | 5040 | 40320 | 362880
| 2 | 12 | 72 | 480 | 3600 | 30240 | 282240 | 2903040
| 6 | 72 | 720 | 7200 | 75600 | 846720 | 10160640
| 24 | 480 | 7200 | 100800 | 1411200 | 20321280
| 120 | 3600 | 75600 | 1411200 | 25401600
| 720 | 30240 | 846720 | 20321280
| 5040 | 282240 | 10160640
| 40320 | 2903040
| 362880
|
A156992 as an upper right triangle
1 | 2 | 6 | 24 | 120 | 720 | 5040 | 40320 | 362880
| | 2 | 12 | 72 | 480 | 3600 | 30240 | 282240 | 2903040
| | | 6 | 72 | 720 | 7200 | 75600 | 846720 | 10160640
| | | | 24 | 480 | 7200 | 100800 | 1411200 | 20321280
| | | | | 120 | 3600 | 75600 | 1411200 | 25401600
| | | | | | 720 | 30240 | 846720 | 20321280
| | | | | | | 5040 | 282240 | 10160640
| | | | | | | | 40320 | 2903040
| | | | | | | | | 362880
|
|