A137752 formatted as a triangular array:
| | | | | | | | | | 1 | | | | | | | | | | |
| | | | | | | | | 1 | | 1 | | | | | | | | | |
| | | | | | | | 2 | | 1 | | 2 | | | | | | | | |
| | | | | | | 1 | | 3 | | 5 | | 6 | | | | | | | |
| | | | | | 1 | | 3 | | 1 | | 4 | | 7 | | | | | | |
| | | | | 12 | | 7 | | 12 | | 1 | | 4 | | 1 | | | | | |
| | | | 5 | | 9 | | 20 | | 31 | | 30 | | 9 | | 20 | | | | |
| | | 1 | | 5 | | 1 | | 6 | | 11 | | 30 | | 49 | | 60 | | | |
| | 49 | | 60 | | 11 | | 30 | | 1 | | 6 | | 1 | | 7 | | 13 | | |
| 42 | | 71 | | 105 | | 209 | | 140 | | 71 | | 105 | | 13 | | 42 | | 1 | |
| 7 | | 1 | | 8 | | 15 | | 56 | | 97 | | 168 | | 351 | | 280 | | 351 | | 280 |
A137752 formatted as a square array:
| 1 | 1 | 2 | 1 | 1 | 12 | 5 | 1 | 49 | 42 | 7 |
| 1 | 1 | 3 | 3 | 7 | 9 | 5 | 60 | 71 | 1 | |
| 2 | 5 | 1 | 12 | 20 | 1 | 11 | 105 | 8 | | |
| 6 | 4 | 1 | 31 | 6 | 30 | 209 | 15 | | | |
| 7 | 4 | 30 | 11 | 1 | 140 | 56 | | | | |
| 1 | 9 | 30 | 6 | 71 | 97 | | | | | |
| 20 | 49 | 1 | 105 | 168 | | | | | | |
| 60 | 7 | 13 | 351 | | | | | | | |
| 13 | 42 | 280 | | | | | | | | |
| 1 | 351 | | | | | | | | | |
| 280 | | | | | | | | | | |
A137752 formatted as an upper right triangle:
| 1 | 1 | 2 | 1 | 1 | 12 | 5 | 1 | 49 | 42 | 7 |
| 1 | 1 | 3 | 3 | 7 | 9 | 5 | 60 | 71 | 1 |
| | 2 | 5 | 1 | 12 | 20 | 1 | 11 | 105 | 8 |
| | | 6 | 4 | 1 | 31 | 6 | 30 | 209 | 15 |
| | | | 7 | 4 | 30 | 11 | 1 | 140 | 56 |
| | | | | 1 | 9 | 30 | 6 | 71 | 97 |
| | | | | | 20 | 49 | 1 | 105 | 168 |
| | | | | | | 60 | 7 | 13 | 351 |
| | | | | | | | 13 | 42 | 280 |
| | | | | | | | | 1 | 351 |
| | | | | | | | | | 280 |
|
