A072285 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | 1 | | 3 | | 1 |
| | | | | | | | | 1 | | 15 | | 2 | | 1 |
| | | | | | | | 1 | | 35 | | 3 | | 5 | | 1 |
| | | | | | | 1 | | 315 | | 4 | | 35 | | 3 | | 1 |
| | | | | | 1 | | 693 | | 5 | | 105 | | 6 | | 7 | | 1 |
| | | | | 1 | | 3003 | | 6 | | 1155 | | 10 | | 63 | | 4 | | 1 |
| | | | 1 | | 6435 | | 7 | | 3003 | | 15 | | 231 | | 10 | | 9 | | 1 |
| | | 1 | | 109395 | | 8 | | 15015 | | 21 | | 3003 | | 20 | | 99 | | 5 | | 1 |
| | 1 | | 230945 | | 9 | | 36465 | | 28 | | 9009 | | 35 | | 429 | | 15 | | 11 | | 1 |
|
A072285 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 3 | 15 | 35 | 315 | 693 | 3003 | 6435 | 109395 | 230945
| | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
| | 1 | 5 | 35 | 105 | 1155 | 3003 | 15015 | 36465
| | 1 | 3 | 6 | 10 | 15 | 21 | 28
| | 1 | 7 | 63 | 231 | 3003 | 9009
| | 1 | 4 | 10 | 20 | 35
| | 1 | 9 | 99 | 429
| | 1 | 5 | 15
| | 1 | 11
| | 1
|
A072285 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 3 | 15 | 35 | 315 | 693 | 3003 | 6435 | 109395 | 230945
| | | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
| | | | 1 | 5 | 35 | 105 | 1155 | 3003 | 15015 | 36465
| | | | | 1 | 3 | 6 | 10 | 15 | 21 | 28
| | | | | | 1 | 7 | 63 | 231 | 3003 | 9009
| | | | | | | 1 | 4 | 10 | 20 | 35
| | | | | | | | 1 | 9 | 99 | 429
| | | | | | | | | 1 | 5 | 15
| | | | | | | | | | 1 | 11
| | | | | | | | | | | 1
|
|
