A131301 as a triangular array
| | | | | | | | | | | | 1 |
| | | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | | 1 | | 1 | | 1 |
| | | | | | | | | | 1 | | 4 | | 1 | | 1 |
| | | | | | | | | 1 | | 4 | | 7 | | 1 | | 1 |
| | | | | | | | 1 | | 7 | | 7 | | 10 | | 1 | | 1 |
| | | | | | | 1 | | 7 | | 16 | | 10 | | 13 | | 1 | | 1 |
| | | | | | 1 | | 10 | | 16 | | 28 | | 13 | | 16 | | 1 | | 1 |
| | | | | 1 | | 10 | | 28 | | 28 | | 43 | | 16 | | 19 | | 1 | | 1 |
| | | | 1 | | 13 | | 28 | | 58 | | 43 | | 61 | | 19 | | 22 | | 1 | | 1 |
| | | 1 | | 13 | | 43 | | 58 | | 103 | | 61 | | 82 | | 22 | | 25 | | 1 | | 1 |
| | 1 | | 16 | | 43 | | 103 | | 103 | | 166 | | 82 |
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A131301 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 4 | 4 | 7 | 7 | 10 | 10 | 13 | 13 | 16
| | 1 | 1 | 7 | 7 | 16 | 16 | 28 | 28 | 43 | 43
| | 1 | 1 | 10 | 10 | 28 | 28 | 58 | 58 | 103
| | 1 | 1 | 13 | 13 | 43 | 43 | 103 | 103
| | 1 | 1 | 16 | 16 | 61 | 61 | 166
| | 1 | 1 | 19 | 19 | 82 | 82
| | 1 | 1 | 22 | 22
| | 1 | 1 | 25
| | 1 | 1
| | 1
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A131301 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 4 | 4 | 7 | 7 | 10 | 10 | 13 | 13 | 16
| | | 1 | 1 | 7 | 7 | 16 | 16 | 28 | 28 | 43 | 43
| | | | 1 | 1 | 10 | 10 | 28 | 28 | 58 | 58 | 103
| | | | | 1 | 1 | 13 | 13 | 43 | 43 | 103 | 103
| | | | | | 1 | 1 | 16 | 16 | 61 | 61 | 166
| | | | | | | 1 | 1 | 19 | 19 | 82 | 82
| | | | | | | | 1 | 1 | 22 | 22
| | | | | | | | | 1 | 1 | 25
| | | | | | | | | | 1 | 1
| | | | | | | | | | | 1
| | | | | | | | | | |
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