A115263 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | 2 | | 2 | | 2 |
| | | | | | | | | 2 | | 3 | | 3 | | 2 |
| | | | | | | | 3 | | 4 | | 6 | | 4 | | 3 |
| | | | | | | 3 | | 5 | | 7 | | 7 | | 5 | | 3 |
| | | | | | 4 | | 6 | | 10 | | 10 | | 10 | | 6 | | 4 |
| | | | | 4 | | 7 | | 11 | | 13 | | 13 | | 11 | | 7 | | 4 |
| | | | 5 | | 8 | | 14 | | 16 | | 19 | | 16 | | 14 | | 8 | | 5 |
| | | 5 | | 9 | | 15 | | 19 | | 22 | | 22 | | 19 | | 15 | | 9 | | 5 |
| | 6 | | 10 | | 18 | | 22 | | 28 | | 28 | | 28 | | 22 | | 18 | | 10 | | 6 |
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A115263 as a square array
| 1 | 1 | 2 | 2 | 3 | 3 | 4 | 4 | 5 | 5 | 6
| | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10
| | 2 | 3 | 6 | 7 | 10 | 11 | 14 | 15 | 18
| | 2 | 4 | 7 | 10 | 13 | 16 | 19 | 22
| | 3 | 5 | 10 | 13 | 19 | 22 | 28
| | 3 | 6 | 11 | 16 | 22 | 28
| | 4 | 7 | 14 | 19 | 28
| | 4 | 8 | 15 | 22
| | 5 | 9 | 18
| | 5 | 10
| | 6
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A115263 as an upper right triangle
| 1 | 1 | 2 | 2 | 3 | 3 | 4 | 4 | 5 | 5 | 6
| | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10
| | | 2 | 3 | 6 | 7 | 10 | 11 | 14 | 15 | 18
| | | | 2 | 4 | 7 | 10 | 13 | 16 | 19 | 22
| | | | | 3 | 5 | 10 | 13 | 19 | 22 | 28
| | | | | | 3 | 6 | 11 | 16 | 22 | 28
| | | | | | | 4 | 7 | 14 | 19 | 28
| | | | | | | | 4 | 8 | 15 | 22
| | | | | | | | | 5 | 9 | 18
| | | | | | | | | | 5 | 10
| | | | | | | | | | | 6
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