A019575 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 2 | | 2 |
| | | | | | | | 6 | | 18 | | 3 |
| | | | | | | 24 | | 180 | | 48 | | 4 |
| | | | | | 120 | | 2100 | | 800 | | 100 | | 5 |
| | | | | 720 | | 28800 | | 14700 | | 2250 | | 180 | | 6 |
| | | | 5040 | | 458640 | | 301350 | | 52920 | | 5292 | | 294 | | 7 |
| | | 40320 | | 8361360 | | 6867840 | | 1342600 | | 153664 | | 10976 | | 448 | | 8 |
| | 362880 | | 172141200 | | 172872000 | | 36991080 | | 4644864 | | 387072 | | 20736 | | 648 | | 9 |
|
A019575 as a square array
1 | 2 | 6 | 24 | 120 | 720 | 5040 | 40320 | 362880
| 2 | 18 | 180 | 2100 | 28800 | 458640 | 8361360 | 172141200
| 3 | 48 | 800 | 14700 | 301350 | 6867840 | 172872000
| 4 | 100 | 2250 | 52920 | 1342600 | 36991080
| 5 | 180 | 5292 | 153664 | 4644864
| 6 | 294 | 10976 | 387072
| 7 | 448 | 20736
| 8 | 648
| 9
|
A019575 as an upper right triangle
1 | 2 | 6 | 24 | 120 | 720 | 5040 | 40320 | 362880
| | 2 | 18 | 180 | 2100 | 28800 | 458640 | 8361360 | 172141200
| | | 3 | 48 | 800 | 14700 | 301350 | 6867840 | 172872000
| | | | 4 | 100 | 2250 | 52920 | 1342600 | 36991080
| | | | | 5 | 180 | 5292 | 153664 | 4644864
| | | | | | 6 | 294 | 10976 | 387072
| | | | | | | 7 | 448 | 20736
| | | | | | | | 8 | 648
| | | | | | | | | 9
|
|