A145903 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 1 |
| | | | | | | | | 1 | | 2 | | 1 |
| | | | | | | | 1 | | 6 | | 6 | | 1 |
| | | | | | | 1 | | 12 | | 24 | | 12 | | 1 |
| | | | | | 1 | | 20 | | 70 | | 70 | | 20 | | 1 |
| | | | | 1 | | 30 | | 165 | | 280 | | 165 | | 30 | | 1 |
| | | | 1 | | 42 | | 336 | | 875 | | 875 | | 336 | | 42 | | 1 |
| | | 1 | | 56 | | 616 | | 2296 | | 3500 | | 2296 | | 616 | | 56 | | 1 |
| | 1 | | 72 | | 1044 | | 5292 | | 11466 | | 11466 | | 5292 | | 1044 | | 72 | | 1 |
|
A145903 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 2 | 6 | 12 | 20 | 30 | 42 | 56 | 72
| | 1 | 6 | 24 | 70 | 165 | 336 | 616 | 1044
| | 1 | 12 | 70 | 280 | 875 | 2296 | 5292
| | 1 | 20 | 165 | 875 | 3500 | 11466
| | 1 | 30 | 336 | 2296 | 11466
| | 1 | 42 | 616 | 5292
| | 1 | 56 | 1044
| | 1 | 72
| | 1
|
A145903 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 2 | 6 | 12 | 20 | 30 | 42 | 56 | 72
| | | 1 | 6 | 24 | 70 | 165 | 336 | 616 | 1044
| | | | 1 | 12 | 70 | 280 | 875 | 2296 | 5292
| | | | | 1 | 20 | 165 | 875 | 3500 | 11466
| | | | | | 1 | 30 | 336 | 2296 | 11466
| | | | | | | 1 | 42 | 616 | 5292
| | | | | | | | 1 | 56 | 1044
| | | | | | | | | 1 | 72
| | | | | | | | | | 1
|
|
