A258708 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | 1 | | 2 | | 1 |
| | | | | | | | | 1 | | 3 | | 3 | | 1 |
| | | | | | | | 1 | | 5 | | 7 | | 4 | | 1 |
| | | | | | | 1 | | 7 | | 14 | | 12 | | 5 | | 1 |
| | | | | | 1 | | 9 | | 25 | | 30 | | 18 | | 6 | | 1 |
| | | | | 1 | | 12 | | 42 | | 66 | | 55 | | 26 | | 7 | | 1 |
| | | | 1 | | 15 | | 66 | | 132 | | 143 | | 91 | | 35 | | 8 | | 1 |
| | | 1 | | 18 | | 99 | | 245 | | 334 | | 273 | | 140 | | 45 | | 9 | | 1 |
| | 1 | | 22 | | 143 | | 429 | | 715 | | 728 | | 476 | | 204 | | 57 | | 10 | | 1 |
|
A258708 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 2 | 3 | 5 | 7 | 9 | 12 | 15 | 18 | 22
| | 1 | 3 | 7 | 14 | 25 | 42 | 66 | 99 | 143
| | 1 | 4 | 12 | 30 | 66 | 132 | 245 | 429
| | 1 | 5 | 18 | 55 | 143 | 334 | 715
| | 1 | 6 | 26 | 91 | 273 | 728
| | 1 | 7 | 35 | 140 | 476
| | 1 | 8 | 45 | 204
| | 1 | 9 | 57
| | 1 | 10
| | 1
|
A258708 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 2 | 3 | 5 | 7 | 9 | 12 | 15 | 18 | 22
| | | 1 | 3 | 7 | 14 | 25 | 42 | 66 | 99 | 143
| | | | 1 | 4 | 12 | 30 | 66 | 132 | 245 | 429
| | | | | 1 | 5 | 18 | 55 | 143 | 334 | 715
| | | | | | 1 | 6 | 26 | 91 | 273 | 728
| | | | | | | 1 | 7 | 35 | 140 | 476
| | | | | | | | 1 | 8 | 45 | 204
| | | | | | | | | 1 | 9 | 57
| | | | | | | | | | 1 | 10
| | | | | | | | | | | 1
|
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