A111492 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 2 | | 1 |
| | | | | | | | | 3 | | 3 | | 2 |
| | | | | | | | 4 | | 6 | | 8 | | 6 |
| | | | | | | 5 | | 10 | | 20 | | 30 | | 24 |
| | | | | | 6 | | 15 | | 40 | | 90 | | 144 | | 120 |
| | | | | 7 | | 21 | | 70 | | 210 | | 504 | | 840 | | 720 |
| | | | 8 | | 28 | | 112 | | 420 | | 1344 | | 3360 | | 5760 | | 5040 |
| | | 9 | | 36 | | 168 | | 756 | | 3024 | | 10080 | | 25920 | | 45360 | | 40320 |
| | 10 | | 45 | | 240 | | 1260 | | 6048 | | 25200 | | 86400 | | 226800 | | 403200 | | 362880 |
|
A111492 as a square array
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10
| 1 | 3 | 6 | 10 | 15 | 21 | 28 | 36 | 45
| 2 | 8 | 20 | 40 | 70 | 112 | 168 | 240
| 6 | 30 | 90 | 210 | 420 | 756 | 1260
| 24 | 144 | 504 | 1344 | 3024 | 6048
| 120 | 840 | 3360 | 10080 | 25200
| 720 | 5760 | 25920 | 86400
| 5040 | 45360 | 226800
| 40320 | 403200
| 362880
|
A111492 as an upper right triangle
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10
| | 1 | 3 | 6 | 10 | 15 | 21 | 28 | 36 | 45
| | | 2 | 8 | 20 | 40 | 70 | 112 | 168 | 240
| | | | 6 | 30 | 90 | 210 | 420 | 756 | 1260
| | | | | 24 | 144 | 504 | 1344 | 3024 | 6048
| | | | | | 120 | 840 | 3360 | 10080 | 25200
| | | | | | | 720 | 5760 | 25920 | 86400
| | | | | | | | 5040 | 45360 | 226800
| | | | | | | | | 40320 | 403200
| | | | | | | | | | 362880
|
|