A157401 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 1 | | 1 |
| | | | | | | | 1 | | 1 | | 3 |
| | | | | | | 3 | | 1 | | 9 | | 12 |
| | | | | | 15 | | 1 | | 25 | | 60 | | 75 |
| | | | | 105 | | 1 | | 75 | | 330 | | 450 | | 630 |
| | | | 945 | | 1 | | 231 | | 1680 | | 3675 | | 4410 | | 6615 |
| | | 10395 | | 1 | | 763 | | 9408 | | 30975 | | 41160 | | 52920 | | 83160 |
| | 135135 | | 1 | | 2619 | | 56952 | | 233415 | | 489510 | | 555660 | | 748440 | | 1216215 |
|
A157401 as a square array
1 | 1 | 1 | 3 | 15 | 105 | 945 | 10395 | 135135
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 3 | 9 | 25 | 75 | 231 | 763 | 2619
| 12 | 60 | 330 | 1680 | 9408 | 56952
| 75 | 450 | 3675 | 30975 | 233415
| 630 | 4410 | 41160 | 489510
| 6615 | 52920 | 555660
| 83160 | 748440
| 1216215
|
A157401 as an upper right triangle
1 | 1 | 1 | 3 | 15 | 105 | 945 | 10395 | 135135
| | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | | 3 | 9 | 25 | 75 | 231 | 763 | 2619
| | | | 12 | 60 | 330 | 1680 | 9408 | 56952
| | | | | 75 | 450 | 3675 | 30975 | 233415
| | | | | | 630 | 4410 | 41160 | 489510
| | | | | | | 6615 | 52920 | 555660
| | | | | | | | 83160 | 748440
| | | | | | | | | 1216215
|
|