A131325 as a triangular array
| | | | | | | | | | | | | 1 |
| | | | | | | | | | | | | 2 | | 1 |
| | | | | | | | | | | | 1 | | 2 | | 1 |
| | | | | | | | | | | 2 | | 4 | | 2 | | 1 |
| | | | | | | | | | 1 | | 2 | | 7 | | 2 | | 1 |
| | | | | | | | | 2 | | 7 | | 2 | | 10 | | 2 | | 1 |
| | | | | | | | 1 | | 2 | | 16 | | 2 | | 13 | | 2 | | 1 |
| | | | | | | 2 | | 10 | | 2 | | 28 | | 2 | | 16 | | 2 | | 1 |
| | | | | | 1 | | 2 | | 28 | | 2 | | 43 | | 2 | | 19 | | 2 | | 1 |
| | | | | 2 | | 13 | | 2 | | 58 | | 2 | | 61 | | 2 | | 22 | | 2 | | 1 |
| | | | 1 | | 2 | | 43 | | 2 | | 103 | | 2 | | 82 | | 2 | | 25 | | 2 | | 1 |
| | | 2 | | 16 | | 2 | | 103 | | 2 | | 166 | | 2 | | 106 | | 2 | | 28 | | 2 | | 1 |
| | 1 | | 2 | | 61 | | 2 | | 208 | | 2 | | 250 | | 2 |
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A131325 as a square array
1 | 2 | 1 | 2 | 1 | 2 | 1 | 2 | 1 | 2 | 1 | 2 | 1
| 1 | 2 | 4 | 2 | 7 | 2 | 10 | 2 | 13 | 2 | 16 | 2
| 1 | 2 | 7 | 2 | 16 | 2 | 28 | 2 | 43 | 2 | 61
| 1 | 2 | 10 | 2 | 28 | 2 | 58 | 2 | 103 | 2
| 1 | 2 | 13 | 2 | 43 | 2 | 103 | 2 | 208
| 1 | 2 | 16 | 2 | 61 | 2 | 166 | 2
| 1 | 2 | 19 | 2 | 82 | 2 | 250
| 1 | 2 | 22 | 2 | 106 | 2
| 1 | 2 | 25 | 2
| 1 | 2 | 28
| 1 | 2
| 1
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A131325 as an upper right triangle
1 | 2 | 1 | 2 | 1 | 2 | 1 | 2 | 1 | 2 | 1 | 2 | 1
| | 1 | 2 | 4 | 2 | 7 | 2 | 10 | 2 | 13 | 2 | 16 | 2
| | | 1 | 2 | 7 | 2 | 16 | 2 | 28 | 2 | 43 | 2 | 61
| | | | 1 | 2 | 10 | 2 | 28 | 2 | 58 | 2 | 103 | 2
| | | | | 1 | 2 | 13 | 2 | 43 | 2 | 103 | 2 | 208
| | | | | | 1 | 2 | 16 | 2 | 61 | 2 | 166 | 2
| | | | | | | 1 | 2 | 19 | 2 | 82 | 2 | 250
| | | | | | | | 1 | 2 | 22 | 2 | 106 | 2
| | | | | | | | | 1 | 2 | 25 | 2
| | | | | | | | | | 1 | 2 | 28
| | | | | | | | | | | 1 | 2
| | | | | | | | | | | | 1
| | | | | | | | | | | |
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