A309939 as a triangular array
| | | | | | | | | | | | 1 |
| | | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | | 1 | | 2 | | 1 |
| | | | | | | | | | 1 | | 1 | | 3 | | 1 |
| | | | | | | | | 1 | | 2 | | 3 | | 4 | | 1 |
| | | | | | | | 1 | | 1 | | 3 | | 6 | | 5 | | 1 |
| | | | | | | 1 | | 2 | | 3 | | 6 | | 10 | | 6 | | 1 |
| | | | | | 1 | | 1 | | 3 | | 7 | | 12 | | 15 | | 7 | | 1 |
| | | | | 1 | | 2 | | 3 | | 6 | | 14 | | 22 | | 21 | | 8 | | 1 |
| | | | 1 | | 1 | | 3 | | 8 | | 15 | | 27 | | 37 | | 28 | | 9 | | 1 |
| | | 1 | | 2 | | 3 | | 6 | | 16 | | 32 | | 50 | | 58 | | 36 | | 10 | | 1 |
| | 1 | | 1 | | 3 | | 7 | | 16 | | 35 | | 63 | | 88 | | 86 | | 45 | | 11 | | 1 |
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A309939 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 2 | 1 | 2 | 1 | 2 | 1 | 2 | 1 | 2 | 1
| | 1 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3
| | 1 | 4 | 6 | 6 | 7 | 6 | 8 | 6 | 7
| | 1 | 5 | 10 | 12 | 14 | 15 | 16 | 16
| | 1 | 6 | 15 | 22 | 27 | 32 | 35
| | 1 | 7 | 21 | 37 | 50 | 63
| | 1 | 8 | 28 | 58 | 88
| | 1 | 9 | 36 | 86
| | 1 | 10 | 45
| | 1 | 11
| | 1
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A309939 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 2 | 1 | 2 | 1 | 2 | 1 | 2 | 1 | 2 | 1
| | | 1 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3
| | | | 1 | 4 | 6 | 6 | 7 | 6 | 8 | 6 | 7
| | | | | 1 | 5 | 10 | 12 | 14 | 15 | 16 | 16
| | | | | | 1 | 6 | 15 | 22 | 27 | 32 | 35
| | | | | | | 1 | 7 | 21 | 37 | 50 | 63
| | | | | | | | 1 | 8 | 28 | 58 | 88
| | | | | | | | | 1 | 9 | 36 | 86
| | | | | | | | | | 1 | 10 | 45
| | | | | | | | | | | 1 | 11
| | | | | | | | | | | | 1
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