A131375 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 2 | | 1 |
| | | | | | | | | 1 | | 3 | | 1 |
| | | | | | | | 2 | | 3 | | 4 | | 1 |
| | | | | | | 1 | | 6 | | 6 | | 5 | | 1 |
| | | | | | 2 | | 5 | | 13 | | 10 | | 6 | | 1 |
| | | | | 1 | | 9 | | 15 | | 24 | | 15 | | 7 | | 1 |
| | | | 2 | | 7 | | 27 | | 35 | | 40 | | 21 | | 8 | | 1 |
| | | 1 | | 12 | | 28 | | 66 | | 70 | | 62 | | 28 | | 9 | | 1 |
| | 2 | | 9 | | 46 | | 84 | | 141 | | 126 | | 91 | | 36 | | 10 | | 1 |
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A131375 as a square array
| 1 | 2 | 1 | 2 | 1 | 2 | 1 | 2 | 1 | 2
| | 1 | 3 | 3 | 6 | 5 | 9 | 7 | 12 | 9
| | 1 | 4 | 6 | 13 | 15 | 27 | 28 | 46
| | 1 | 5 | 10 | 24 | 35 | 66 | 84
| | 1 | 6 | 15 | 40 | 70 | 141
| | 1 | 7 | 21 | 62 | 126
| | 1 | 8 | 28 | 91
| | 1 | 9 | 36
| | 1 | 10
| | 1
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A131375 as an upper right triangle
| 1 | 2 | 1 | 2 | 1 | 2 | 1 | 2 | 1 | 2
| | 1 | 3 | 3 | 6 | 5 | 9 | 7 | 12 | 9
| | | 1 | 4 | 6 | 13 | 15 | 27 | 28 | 46
| | | | 1 | 5 | 10 | 24 | 35 | 66 | 84
| | | | | 1 | 6 | 15 | 40 | 70 | 141
| | | | | | 1 | 7 | 21 | 62 | 126
| | | | | | | 1 | 8 | 28 | 91
| | | | | | | | 1 | 9 | 36
| | | | | | | | | 1 | 10
| | | | | | | | | | 1
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