A052174 formatted as a triangular array:
| | | | | | | | | 1 | | | | | | | | | |
| | | | | | | | 1 | | 1 | | | | | | | | |
| | | | | | | 3 | | 2 | | 1 | | | | | | | |
| | | | | | 6 | | 8 | | 3 | | 1 | | | | | | |
| | | | | 20 | | 20 | | 15 | | 4 | | 1 | | | | | |
| | | | 50 | | 75 | | 45 | | 24 | | 5 | | 1 | | | | |
| | | 175 | | 210 | | 189 | | 84 | | 35 | | 6 | | 1 | | | |
| | 490 | | 784 | | 588 | | 392 | | 140 | | 48 | | 7 | | 1 | | |
| 1764 | | 2352 | | 2352 | | 1344 | | 720 | | 216 | | 63 | | 8 | | 1 | |
| 5292 | | 8820 | | 7560 | | 5760 | | 2700 | | 1215 | | 315 | | 80 | | 9 | | 1 |
A052174 formatted as a square array:
| 1 | 1 | 3 | 6 | 20 | 50 | 175 | 490 | 1764 | 5292 |
| 1 | 2 | 8 | 20 | 75 | 210 | 784 | 2352 | 8820 | |
| 1 | 3 | 15 | 45 | 189 | 588 | 2352 | 7560 | | |
| 1 | 4 | 24 | 84 | 392 | 1344 | 5760 | | | |
| 1 | 5 | 35 | 140 | 720 | 2700 | | | | |
| 1 | 6 | 48 | 216 | 1215 | | | | | |
| 1 | 7 | 63 | 315 | | | | | | |
| 1 | 8 | 80 | | | | | | | |
| 1 | 9 | | | | | | | | |
| 1 | | | | | | | | | |
A052174 formatted as an upper right triangle:
| 1 | 1 | 3 | 6 | 20 | 50 | 175 | 490 | 1764 | 5292 |
| 1 | 2 | 8 | 20 | 75 | 210 | 784 | 2352 | 8820 |
| | 1 | 3 | 15 | 45 | 189 | 588 | 2352 | 7560 |
| | | 1 | 4 | 24 | 84 | 392 | 1344 | 5760 |
| | | | 1 | 5 | 35 | 140 | 720 | 2700 |
| | | | | 1 | 6 | 48 | 216 | 1215 |
| | | | | | 1 | 7 | 63 | 315 |
| | | | | | | 1 | 8 | 80 |
| | | | | | | | 1 | 9 |
| | | | | | | | | 1 |
|
