A052509 as a triangular array
| | | | | | | | | | | | 1 |
| | | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | | 1 | | 2 | | 1 |
| | | | | | | | | | 1 | | 3 | | 2 | | 1 |
| | | | | | | | | 1 | | 4 | | 4 | | 2 | | 1 |
| | | | | | | | 1 | | 5 | | 7 | | 4 | | 2 | | 1 |
| | | | | | | 1 | | 6 | | 11 | | 8 | | 4 | | 2 | | 1 |
| | | | | | 1 | | 7 | | 16 | | 15 | | 8 | | 4 | | 2 | | 1 |
| | | | | 1 | | 8 | | 22 | | 26 | | 16 | | 8 | | 4 | | 2 | | 1 |
| | | | 1 | | 9 | | 29 | | 42 | | 31 | | 16 | | 8 | | 4 | | 2 | | 1 |
| | | 1 | | 10 | | 37 | | 64 | | 57 | | 32 | | 16 | | 8 | | 4 | | 2 | | 1 |
| | 1 | | 11 | | 46 | | 93 | | 99 | | 63 | | 32 | | 16 | | 8 | | 4 | | 2 | | 1 |
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A052509 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11
| | 1 | 2 | 4 | 7 | 11 | 16 | 22 | 29 | 37 | 46
| | 1 | 2 | 4 | 8 | 15 | 26 | 42 | 64 | 93
| | 1 | 2 | 4 | 8 | 16 | 31 | 57 | 99
| | 1 | 2 | 4 | 8 | 16 | 32 | 63
| | 1 | 2 | 4 | 8 | 16 | 32
| | 1 | 2 | 4 | 8 | 16
| | 1 | 2 | 4 | 8
| | 1 | 2 | 4
| | 1 | 2
| | 1
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A052509 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11
| | | 1 | 2 | 4 | 7 | 11 | 16 | 22 | 29 | 37 | 46
| | | | 1 | 2 | 4 | 8 | 15 | 26 | 42 | 64 | 93
| | | | | 1 | 2 | 4 | 8 | 16 | 31 | 57 | 99
| | | | | | 1 | 2 | 4 | 8 | 16 | 32 | 63
| | | | | | | 1 | 2 | 4 | 8 | 16 | 32
| | | | | | | | 1 | 2 | 4 | 8 | 16
| | | | | | | | | 1 | 2 | 4 | 8
| | | | | | | | | | 1 | 2 | 4
| | | | | | | | | | | 1 | 2
| | | | | | | | | | | | 1
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