A046757 formatted as a triangular array:
| | | | | | | | 1 | | | | | | | | |
| | | | | | | 2 | | 1 | | | | | | | |
| | | | | | 5 | | 5 | | 1 | | | | | | |
| | | | | 30 | | 30 | | 10 | | 1 | | | | | |
| | | | 272 | | 272 | | 102 | | 17 | | 1 | | | | |
| | | 3250 | | 3250 | | 1300 | | 260 | | 26 | | 1 | | | |
| | 47952 | | 47952 | | 19980 | | 4440 | | 555 | | 37 | | 1 | | |
| 840350 | | 840350 | | 360150 | | 85750 | | 12250 | | 1050 | | 50 | | 1 | |
| 17039360 | | 17039360 | | 7454720 | | 1863680 | | 291200 | | 29120 | | 1820 | | 65 | | 1 |
A046757 formatted as a square array:
| 1 | 2 | 5 | 30 | 272 | 3250 | 47952 | 840350 | 17039360 |
| 1 | 5 | 30 | 272 | 3250 | 47952 | 840350 | 17039360 | |
| 1 | 10 | 102 | 1300 | 19980 | 360150 | 7454720 | | |
| 1 | 17 | 260 | 4440 | 85750 | 1863680 | | | |
| 1 | 26 | 555 | 12250 | 291200 | | | | |
| 1 | 37 | 1050 | 29120 | | | | | |
| 1 | 50 | 1820 | | | | | | |
| 1 | 65 | | | | | | | |
| 1 | | | | | | | | |
A046757 formatted as an upper right triangle:
| 1 | 2 | 5 | 30 | 272 | 3250 | 47952 | 840350 | 17039360 |
| 1 | 5 | 30 | 272 | 3250 | 47952 | 840350 | 17039360 |
| | 1 | 10 | 102 | 1300 | 19980 | 360150 | 7454720 |
| | | 1 | 17 | 260 | 4440 | 85750 | 1863680 |
| | | | 1 | 26 | 555 | 12250 | 291200 |
| | | | | 1 | 37 | 1050 | 29120 |
| | | | | | 1 | 50 | 1820 |
| | | | | | | 1 | 65 |
| | | | | | | | 1 |
|
