A213889 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 0 | | 1 |
| | | | | | | | | | 0 | | 1 | | 1 |
| | | | | | | | | 0 | | 1 | | 2 | | 1 |
| | | | | | | | 0 | | 1 | | 3 | | 3 | | 1 |
| | | | | | | 0 | | 1 | | 4 | | 6 | | 4 | | 1 |
| | | | | | 0 | | 1 | | 5 | | 10 | | 10 | | 5 | | 1 |
| | | | | 0 | | 0 | | 6 | | 15 | | 20 | | 15 | | 6 | | 1 |
| | | | 0 | | 0 | | 5 | | 21 | | 35 | | 35 | | 21 | | 7 | | 1 |
| | | 0 | | 0 | | 4 | | 25 | | 56 | | 70 | | 56 | | 28 | | 8 | | 1 |
| | 0 | | 0 | | 3 | | 27 | | 80 | | 126 | | 126 | | 84 | | 36 | | 9 | | 1 |
|
A213889 as a square array
| 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0
| | 1 | 2 | 3 | 4 | 5 | 6 | 5 | 4 | 3
| | 1 | 3 | 6 | 10 | 15 | 21 | 25 | 27
| | 1 | 4 | 10 | 20 | 35 | 56 | 80
| | 1 | 5 | 15 | 35 | 70 | 126
| | 1 | 6 | 21 | 56 | 126
| | 1 | 7 | 28 | 84
| | 1 | 8 | 36
| | 1 | 9
| | 1
|
A213889 as an upper right triangle
| 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0
| | | 1 | 2 | 3 | 4 | 5 | 6 | 5 | 4 | 3
| | | | 1 | 3 | 6 | 10 | 15 | 21 | 25 | 27
| | | | | 1 | 4 | 10 | 20 | 35 | 56 | 80
| | | | | | 1 | 5 | 15 | 35 | 70 | 126
| | | | | | | 1 | 6 | 21 | 56 | 126
| | | | | | | | 1 | 7 | 28 | 84
| | | | | | | | | 1 | 8 | 36
| | | | | | | | | | 1 | 9
| | | | | | | | | | | 1
|
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