A172364 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 1 |
| | | | | | | | | 1 | | 1 | | 1 |
| | | | | | | | 1 | | 1 | | 1 | | 1 |
| | | | | | | 1 | | 3 | | 3 | | 3 | | 1 |
| | | | | | 1 | | 10 | | 30 | | 30 | | 10 | | 1 |
| | | | | 1 | | 31 | | 310 | | 930 | | 310 | | 31 | | 1 |
| | | | 1 | | 94 | | 2914 | | 29140 | | 29140 | | 2914 | | 94 | | 1 |
| | | 1 | | 285 | | 26790 | | 830490 | | 2768300 | | 830490 | | 26790 | | 285 | | 1 |
| | 1 | | 865 | | 246525 | | 23173350 | | 239457950 | | 239457950 | | 23173350 | | 246525 | | 865 | | 1 |
|
A172364 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 1 | 3 | 10 | 31 | 94 | 285 | 865
| | 1 | 1 | 3 | 30 | 310 | 2914 | 26790 | 246525
| | 1 | 3 | 30 | 930 | 29140 | 830490 | 23173350
| | 1 | 10 | 310 | 29140 | 2768300 | 239457950
| | 1 | 31 | 2914 | 830490 | 239457950
| | 1 | 94 | 26790 | 23173350
| | 1 | 285 | 246525
| | 1 | 865
| | 1
|
A172364 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 1 | 3 | 10 | 31 | 94 | 285 | 865
| | | 1 | 1 | 3 | 30 | 310 | 2914 | 26790 | 246525
| | | | 1 | 3 | 30 | 930 | 29140 | 830490 | 23173350
| | | | | 1 | 10 | 310 | 29140 | 2768300 | 239457950
| | | | | | 1 | 31 | 2914 | 830490 | 239457950
| | | | | | | 1 | 94 | 26790 | 23173350
| | | | | | | | 1 | 285 | 246525
| | | | | | | | | 1 | 865
| | | | | | | | | | 1
|
|
