A172368 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | 1 | | 1 | | 1 |
| | | | | | | | | 1 | | 1 | | 1 | | 1 |
| | | | | | | | 1 | | 1 | | 1 | | 1 | | 1 |
| | | | | | | 1 | | 3 | | 3 | | 3 | | 3 | | 1 |
| | | | | | 1 | | 5 | | 15 | | 15 | | 15 | | 5 | | 1 |
| | | | | 1 | | 7 | | 35 | | 105 | | 105 | | 35 | | 7 | | 1 |
| | | | 1 | | 9 | | 63 | | 315 | | 945 | | 315 | | 63 | | 9 | | 1 |
| | | 1 | | 15 | | 135 | | 945 | | 4725 | | 4725 | | 945 | | 135 | | 15 | | 1 |
| | 1 | | 25 | | 375 | | 3375 | | 23625 | | 39375 | | 23625 | | 3375 | | 375 | | 25 | | 1 |
|
A172368 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 1 | 1 | 3 | 5 | 7 | 9 | 15 | 25
| | 1 | 1 | 1 | 3 | 15 | 35 | 63 | 135 | 375
| | 1 | 1 | 3 | 15 | 105 | 315 | 945 | 3375
| | 1 | 3 | 15 | 105 | 945 | 4725 | 23625
| | 1 | 5 | 35 | 315 | 4725 | 39375
| | 1 | 7 | 63 | 945 | 23625
| | 1 | 9 | 135 | 3375
| | 1 | 15 | 375
| | 1 | 25
| | 1
|
A172368 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 1 | 1 | 3 | 5 | 7 | 9 | 15 | 25
| | | 1 | 1 | 1 | 3 | 15 | 35 | 63 | 135 | 375
| | | | 1 | 1 | 3 | 15 | 105 | 315 | 945 | 3375
| | | | | 1 | 3 | 15 | 105 | 945 | 4725 | 23625
| | | | | | 1 | 5 | 35 | 315 | 4725 | 39375
| | | | | | | 1 | 7 | 63 | 945 | 23625
| | | | | | | | 1 | 9 | 135 | 3375
| | | | | | | | | 1 | 15 | 375
| | | | | | | | | | 1 | 25
| | | | | | | | | | | 1
|
|
