A216915 as a triangular array
| | | | | | | | | | | | | 1 |
| | | | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | | | 1 | | 1 | | 1 |
| | | | | | | | | | | 1 | | 1 | | 1 | | 1 |
| | | | | | | | | | 2 | | 1 | | 1 | | 1 | | 1 |
| | | | | | | | | 2 | | 1 | | 1 | | 1 | | 1 | | 1 |
| | | | | | | | 12 | | 1 | | 2 | | 1 | | 1 | | 1 | | 1 |
| | | | | | | 12 | | 1 | | 2 | | 1 | | 1 | | 1 | | 1 | | 1 |
| | | | | | 48 | | 1 | | 2 | | 1 | | 2 | | 1 | | 1 | | 1 | | 1 |
| | | | | 144 | | 1 | | 2 | | 1 | | 2 | | 1 | | 1 | | 1 | | 1 | | 1 |
| | | | 1440 | | 3 | | 8 | | 1 | | 12 | | 1 | | 2 | | 1 | | 1 | | 1 | | 1 |
| | | 1440 | | 3 | | 8 | | 1 | | 12 | | 1 | | 2 | | 1 | | 1 | | 1 | | 1 | | 1 |
| | 17280 | | 3 | | 80 |
|
A216915 as a square array
| 1 | 1 | 1 | 1 | 2 | 2 | 12 | 12 | 48 | 144 | 1440 | 1440 | 17280
| | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 3 | 3
| | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 8 | 8 | 80
| | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 1 | 1 | 2 | 2 | 12 | 12
| | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 1 | 1 | 2 | 2
| | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 1 | 1
| | 1 | 1 | 1
| | 1 | 1
| | 1
|
A216915 as an upper right triangle
| 1 | 1 | 1 | 1 | 2 | 2 | 12 | 12 | 48 | 144 | 1440 | 1440 | 17280
| | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 3 | 3 | 3
| | | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 8 | 8 | 80
| | | | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | | | | 1 | 1 | 1 | 1 | 2 | 2 | 12 | 12
| | | | | | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | | | | | | 1 | 1 | 1 | 1 | 2 | 2
| | | | | | | | 1 | 1 | 1 | 1 | 1
| | | | | | | | | 1 | 1 | 1 | 1
| | | | | | | | | | 1 | 1 | 1
| | | | | | | | | | | 1 | 1
| | | | | | | | | | | | 1
| | | | | | | | | | | |
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