A259874 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | 1 | | 2 | | 1 |
| | | | | | | | | 1 | | 3 | | 3 | | 1 |
| | | | | | | | 1 | | 4 | | 5 | | 4 | | 1 |
| | | | | | | 1 | | 5 | | 7 | | 8 | | 5 | | 1 |
| | | | | | 1 | | 6 | | 9 | | 12 | | 10 | | 6 | | 1 |
| | | | | 1 | | 7 | | 11 | | 17 | | 16 | | 14 | | 7 | | 1 |
| | | | 1 | | 8 | | 13 | | 22 | | 22 | | 23 | | 16 | | 8 | | 1 |
| | | 1 | | 9 | | 15 | | 27 | | 29 | | 34 | | 28 | | 20 | | 9 | | 1 |
| | 1 | | 10 | | 17 | | 32 |
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A259874 as a square array
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10
| 1 | 3 | 5 | 7 | 9 | 11 | 13 | 15 | 17
| 1 | 4 | 8 | 12 | 17 | 22 | 27 | 32
| 1 | 5 | 10 | 16 | 22 | 29
| 1 | 6 | 14 | 23 | 34
| 1 | 7 | 16 | 28
| 1 | 8 | 20
| 1 | 9
| 1
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A259874 as an upper right triangle
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10
| | | 1 | 3 | 5 | 7 | 9 | 11 | 13 | 15 | 17
| | | | 1 | 4 | 8 | 12 | 17 | 22 | 27 | 32
| | | | | 1 | 5 | 10 | 16 | 22 | 29
| | | | | | 1 | 6 | 14 | 23 | 34
| | | | | | | 1 | 7 | 16 | 28
| | | | | | | | 1 | 8 | 20
| | | | | | | | | 1 | 9
| | | | | | | | | | 1
| | | | | | | | | |
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