A131925 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 5 | | 3 |
| | | | | | | | 5 | | 7 | | 5 |
| | | | | | | 9 | | 7 | | 9 | | 7 |
| | | | | | 9 | | 11 | | 9 | | 11 | | 9 |
| | | | | 13 | | 11 | | 13 | | 11 | | 13 | | 11 |
| | | | 13 | | 15 | | 13 | | 15 | | 13 | | 15 | | 13 |
| | | 17 | | 15 | | 17 | | 15 | | 17 | | 15 | | 17 | | 15 |
| | 17 | | 19 | | 17 | | 19 | | 17 | | 19 | | 17 | | 19 | | 17 |
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A131925 as a square array
1 | 5 | 5 | 9 | 9 | 13 | 13 | 17 | 17
| 3 | 7 | 7 | 11 | 11 | 15 | 15 | 19
| 5 | 9 | 9 | 13 | 13 | 17 | 17
| 7 | 11 | 11 | 15 | 15 | 19
| 9 | 13 | 13 | 17 | 17
| 11 | 15 | 15 | 19
| 13 | 17 | 17
| 15 | 19
| 17
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A131925 as an upper right triangle
1 | 5 | 5 | 9 | 9 | 13 | 13 | 17 | 17
| | 3 | 7 | 7 | 11 | 11 | 15 | 15 | 19
| | | 5 | 9 | 9 | 13 | 13 | 17 | 17
| | | | 7 | 11 | 11 | 15 | 15 | 19
| | | | | 9 | 13 | 13 | 17 | 17
| | | | | | 11 | 15 | 15 | 19
| | | | | | | 13 | 17 | 17
| | | | | | | | 15 | 19
| | | | | | | | | 17
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