A227588 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 1 |
| | | | | | | | | 1 | | 2 | | 1 |
| | | | | | | | 1 | | 3 | | 2 | | 1 |
| | | | | | | 1 | | 4 | | 4 | | 2 | | 1 |
| | | | | | 1 | | 5 | | 7 | | 5 | | 2 | | 1 |
| | | | | 1 | | 6 | | 12 | | 12 | | 6 | | 2 | | 1 |
| | | | 1 | | 7 | | 18 | | 24 | | 16 | | 7 | | 2 | | 1 |
| | | 1 | | 8 | | 26 | | 46 | | 42 | | 23 | | 8 | | 2 | | 1 |
| | 1 | | 9 | | 35 | | 83 | | 101 | | 73 | | 29 | | 9 | | 2 | | 1 |
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A227588 as a square array
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
| 1 | 2 | 4 | 7 | 12 | 18 | 26 | 35
| 1 | 2 | 5 | 12 | 24 | 46 | 83
| 1 | 2 | 6 | 16 | 42 | 101
| 1 | 2 | 7 | 23 | 73
| 1 | 2 | 8 | 29
| 1 | 2 | 9
| 1 | 2
| 1
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A227588 as an upper right triangle
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
| | | 1 | 2 | 4 | 7 | 12 | 18 | 26 | 35
| | | | 1 | 2 | 5 | 12 | 24 | 46 | 83
| | | | | 1 | 2 | 6 | 16 | 42 | 101
| | | | | | 1 | 2 | 7 | 23 | 73
| | | | | | | 1 | 2 | 8 | 29
| | | | | | | | 1 | 2 | 9
| | | | | | | | | 1 | 2
| | | | | | | | | | 1
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