A203330 as a triangular array
| | | | | | | | | 3 |
| | | | | | | | | 6 | | 6 |
| | | | | | | | 10 | | 32 | | 10 |
| | | | | | | 15 | | 133 | | 133 | | 15 |
| | | | | | 21 | | 510 | | 1510 | | 510 | | 21 |
| | | | | 28 | | 1792 | | 15300 | | 15300 | | 1792 | | 28 |
| | | | 36 | | 6050 | | 143690 | | 423595 | | 143690 | | 6050 | | 36 |
| | | 45 | | 19641 | | 1274165 | | 10809576 | | 10809576 | | 1274165 | | 19641 | | 45 |
| | 55 | | 62471 | | 10806894 | | 261192161 | | 759320283 |
|
A203330 as a square array
3 | 6 | 10 | 15 | 21 | 28 | 36 | 45 | 55
| 6 | 32 | 133 | 510 | 1792 | 6050 | 19641 | 62471
| 10 | 133 | 1510 | 15300 | 143690 | 1274165 | 10806894
| 15 | 510 | 15300 | 423595 | 10809576 | 261192161
| 21 | 1792 | 143690 | 10809576 | 759320283
| 28 | 6050 | 1274165
| 36 | 19641
| 45
|
A203330 as an upper right triangle
3 | 6 | 10 | 15 | 21 | 28 | 36 | 45 | 55
| | 6 | 32 | 133 | 510 | 1792 | 6050 | 19641 | 62471
| | | 10 | 133 | 1510 | 15300 | 143690 | 1274165 | 10806894
| | | | 15 | 510 | 15300 | 423595 | 10809576 | 261192161
| | | | | 21 | 1792 | 143690 | 10809576 | 759320283
| | | | | | 28 | 6050 | 1274165
| | | | | | | 36 | 19641
| | | | | | | | 45
| | | | | | | |
|
|