A213887 as a triangular array
| | | | | | | | | | | | 1 |
| | | | | | | | | | | | 0 | | 1 |
| | | | | | | | | | | 0 | | 1 | | 1 |
| | | | | | | | | | 0 | | 1 | | 2 | | 1 |
| | | | | | | | | 0 | | 1 | | 3 | | 3 | | 1 |
| | | | | | | | 0 | | 0 | | 4 | | 6 | | 4 | | 1 |
| | | | | | | 0 | | 0 | | 3 | | 10 | | 10 | | 5 | | 1 |
| | | | | | 0 | | 0 | | 2 | | 12 | | 20 | | 15 | | 6 | | 1 |
| | | | | 0 | | 0 | | 1 | | 12 | | 31 | | 35 | | 21 | | 7 | | 1 |
| | | | 0 | | 0 | | 0 | | 10 | | 40 | | 65 | | 56 | | 28 | | 8 | | 1 |
| | | 0 | | 0 | | 0 | | 6 | | 44 | | 101 | | 120 | | 84 | | 36 | | 9 | | 1 |
| | 0 |
|
A213887 as a square array
1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0
| 1 | 2 | 3 | 4 | 3 | 2 | 1 | 0 | 0
| 1 | 3 | 6 | 10 | 12 | 12 | 10 | 6
| 1 | 4 | 10 | 20 | 31 | 40 | 44
| 1 | 5 | 15 | 35 | 65 | 101
| 1 | 6 | 21 | 56 | 120
| 1 | 7 | 28 | 84
| 1 | 8 | 36
| 1 | 9
| 1
|
A213887 as an upper right triangle
1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0
| | | 1 | 2 | 3 | 4 | 3 | 2 | 1 | 0 | 0
| | | | 1 | 3 | 6 | 10 | 12 | 12 | 10 | 6
| | | | | 1 | 4 | 10 | 20 | 31 | 40 | 44
| | | | | | 1 | 5 | 15 | 35 | 65 | 101
| | | | | | | 1 | 6 | 21 | 56 | 120
| | | | | | | | 1 | 7 | 28 | 84
| | | | | | | | | 1 | 8 | 36
| | | | | | | | | | 1 | 9
| | | | | | | | | | | 1
| | | | | | | | | | |
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