A211226 as a triangular array
| | | | | | | | | | | | | 1 |
| | | | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | | | 1 | | 1 | | 1 |
| | | | | | | | | | | 1 | | 1 | | 1 | | 1 |
| | | | | | | | | | 1 | | 2 | | 2 | | 2 | | 1 |
| | | | | | | | | 1 | | 1 | | 2 | | 2 | | 1 | | 1 |
| | | | | | | | 1 | | 3 | | 3 | | 6 | | 3 | | 3 | | 1 |
| | | | | | | 1 | | 1 | | 3 | | 3 | | 3 | | 3 | | 1 | | 1 |
| | | | | | 1 | | 4 | | 4 | | 12 | | 6 | | 12 | | 4 | | 4 | | 1 |
| | | | | 1 | | 1 | | 4 | | 4 | | 6 | | 6 | | 4 | | 4 | | 1 | | 1 |
| | | | 1 | | 5 | | 5 | | 20 | | 10 | | 30 | | 10 | | 20 | | 5 | | 5 | | 1 |
| | | 1 | | 1 | | 5 | | 5 | | 10 | | 10 | | 10 | | 10 | | 5 | | 5 | | 1 | | 1 |
| | 1 | | 6 | | 6 | | 30 | | 15 |
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A211226 as a square array
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 1 | 1 | 1 | 2 | 1 | 3 | 1 | 4 | 1 | 5 | 1 | 6
| 1 | 1 | 2 | 2 | 3 | 3 | 4 | 4 | 5 | 5 | 6
| 1 | 2 | 2 | 6 | 3 | 12 | 4 | 20 | 5 | 30
| 1 | 1 | 3 | 3 | 6 | 6 | 10 | 10 | 15
| 1 | 3 | 3 | 12 | 6 | 30 | 10
| 1 | 1 | 4 | 4 | 10 | 10
| 1 | 4 | 4 | 20 | 10
| 1 | 1 | 5 | 5
| 1 | 5 | 5
| 1 | 1
| 1
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A211226 as an upper right triangle
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 1 | 2 | 1 | 3 | 1 | 4 | 1 | 5 | 1 | 6
| | | 1 | 1 | 2 | 2 | 3 | 3 | 4 | 4 | 5 | 5 | 6
| | | | 1 | 2 | 2 | 6 | 3 | 12 | 4 | 20 | 5 | 30
| | | | | 1 | 1 | 3 | 3 | 6 | 6 | 10 | 10 | 15
| | | | | | 1 | 3 | 3 | 12 | 6 | 30 | 10
| | | | | | | 1 | 1 | 4 | 4 | 10 | 10
| | | | | | | | 1 | 4 | 4 | 20 | 10
| | | | | | | | | 1 | 1 | 5 | 5
| | | | | | | | | | 1 | 5 | 5
| | | | | | | | | | | 1 | 1
| | | | | | | | | | | | 1
| | | | | | | | | | | |
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