A131504 as a triangular array
| | | | | | | | | | | | | 1 |
| | | | | | | | | | | | | 1 | | 3 |
| | | | | | | | | | | | 1 | | 3 | | 4 |
| | | | | | | | | | | 1 | | 5 | | 7 | | 7 |
| | | | | | | | | | 1 | | 3 | | 4 | | 7 | | 6 |
| | | | | | | | | 1 | | 3 | | 7 | | 11 | | 11 | | 17 |
| | | | | | | | 1 | | 5 | | 4 | | 7 | | 8 | | 17 | | 8 |
| | | | | | | 1 | | 3 | | 7 | | 9 | | 11 | | 17 | | 15 | | 15 |
| | | | | | 1 | | 3 | | 4 | | 11 | | 6 | | 17 | | 11 | | 15 | | 13 |
| | | | | 1 | | 5 | | 7 | | 9 | | 17 | | 19 | | 15 | | 23 | | 25 | | 23 |
| | | | 1 | | 3 | | 4 | | 7 | | 6 | | 17 | | 9 | | 15 | | 13 | | 23 | | 12 |
| | | 1 | | 3 | | 11 | | 11 | | 11 | | 19 | | 23 | | 19 | | 25 | | 37 | | 23 | | 35 |
| | 1 | | 5 | | 4 | | 9 | | 8 | | 17 | | 8 | | 23 | | 16 |
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A131504 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 3 | 3 | 5 | 3 | 3 | 5 | 3 | 3 | 5 | 3 | 3 | 5
| | 4 | 7 | 4 | 7 | 4 | 7 | 4 | 7 | 4 | 11 | 4
| | 7 | 7 | 11 | 7 | 9 | 11 | 9 | 7 | 11 | 9
| | 6 | 11 | 8 | 11 | 6 | 17 | 6 | 11 | 8
| | 17 | 17 | 17 | 17 | 19 | 17 | 19 | 17
| | 8 | 15 | 11 | 15 | 9 | 23 | 8
| | 15 | 15 | 23 | 15 | 19 | 23
| | 13 | 25 | 13 | 25 | 16
| | 23 | 23 | 37
| | 12 | 23
| | 35
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A131504 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 3 | 3 | 5 | 3 | 3 | 5 | 3 | 3 | 5 | 3 | 3 | 5
| | | 4 | 7 | 4 | 7 | 4 | 7 | 4 | 7 | 4 | 11 | 4
| | | | 7 | 7 | 11 | 7 | 9 | 11 | 9 | 7 | 11 | 9
| | | | | 6 | 11 | 8 | 11 | 6 | 17 | 6 | 11 | 8
| | | | | | 17 | 17 | 17 | 17 | 19 | 17 | 19 | 17
| | | | | | | 8 | 15 | 11 | 15 | 9 | 23 | 8
| | | | | | | | 15 | 15 | 23 | 15 | 19 | 23
| | | | | | | | | 13 | 25 | 13 | 25 | 16
| | | | | | | | | | 23 | 23 | 37
| | | | | | | | | | | 12 | 23
| | | | | | | | | | | | 35
| | | | | | | | | | | |
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