A226874 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 0 | | 1 |
| | | | | | | | | 0 | | 1 | | 2 |
| | | | | | | | 0 | | 1 | | 3 | | 6 |
| | | | | | | 0 | | 1 | | 10 | | 12 | | 24 |
| | | | | | 0 | | 1 | | 15 | | 50 | | 60 | | 120 |
| | | | | 0 | | 1 | | 41 | | 180 | | 300 | | 360 | | 720 |
| | | | 0 | | 1 | | 63 | | 497 | | 1260 | | 2100 | | 2520 | | 5040 |
| | | 0 | | 1 | | 162 | | 1484 | | 6496 | | 10080 | | 16800 | | 20160 | | 40320 |
| | 0 | | 1 | | 255 | | 5154 | | 20916 | | 58464 | | 90720 | | 151200 | | 181440 | | 362880 |
|
A226874 as a square array
1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 2 | 3 | 10 | 15 | 41 | 63 | 162 | 255
| 6 | 12 | 50 | 180 | 497 | 1484 | 5154
| 24 | 60 | 300 | 1260 | 6496 | 20916
| 120 | 360 | 2100 | 10080 | 58464
| 720 | 2520 | 16800 | 90720
| 5040 | 20160 | 151200
| 40320 | 181440
| 362880
|
A226874 as an upper right triangle
1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | | 2 | 3 | 10 | 15 | 41 | 63 | 162 | 255
| | | | 6 | 12 | 50 | 180 | 497 | 1484 | 5154
| | | | | 24 | 60 | 300 | 1260 | 6496 | 20916
| | | | | | 120 | 360 | 2100 | 10080 | 58464
| | | | | | | 720 | 2520 | 16800 | 90720
| | | | | | | | 5040 | 20160 | 151200
| | | | | | | | | 40320 | 181440
| | | | | | | | | | 362880
|
|