A210951 as a triangular array
| | | | | | | | | | | | | 1 |
| | | | | | | | | | | | | 0 | | 2 |
| | | | | | | | | | | | 0 | | 0 | | 3 |
| | | | | | | | | | | 0 | | 0 | | 1 | | 5 |
| | | | | | | | | | 0 | | 0 | | 0 | | 1 | | 7 |
| | | | | | | | | 0 | | 0 | | 0 | | 1 | | 3 | | 11 |
| | | | | | | | 0 | | 0 | | 0 | | 0 | | 1 | | 3 | | 15 |
| | | | | | | 0 | | 0 | | 0 | | 0 | | 1 | | 3 | | 6 | | 22 |
| | | | | | 0 | | 0 | | 0 | | 0 | | 0 | | 1 | | 4 | | 7 | | 30 |
| | | | | 0 | | 0 | | 0 | | 0 | | 0 | | 1 | | 3 | | 7 | | 11 | | 42 |
| | | | 0 | | 0 | | 0 | | 0 | | 0 | | 0 | | 1 | | 4 | | 9 | | 13 | | 56 |
| | | 0 | | 0 | | 0 | | 0 | | 0 | | 0 | | 1 | | 3 | | 8 | | 15 | | 20 | | 77 |
| | 0 | | 0 | | 0 |
|
A210951 as a square array
1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| 5 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0
| 7 | 3 | 1 | 1 | 0 | 0 | 0 | 0
| 11 | 3 | 3 | 1 | 1 | 0 | 0
| 15 | 6 | 4 | 3 | 1 | 1
| 22 | 7 | 7 | 4 | 3
| 30 | 11 | 9 | 8
| 42 | 13 | 15
| 56 | 20
| 77
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A210951 as an upper right triangle
1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | | | 5 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0
| | | | | 7 | 3 | 1 | 1 | 0 | 0 | 0 | 0
| | | | | | 11 | 3 | 3 | 1 | 1 | 0 | 0
| | | | | | | 15 | 6 | 4 | 3 | 1 | 1
| | | | | | | | 22 | 7 | 7 | 4 | 3
| | | | | | | | | 30 | 11 | 9 | 8
| | | | | | | | | | 42 | 13 | 15
| | | | | | | | | | | 56 | 20
| | | | | | | | | | | | 77
| | | | | | | | | | | |
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