A026386 as a triangular array
| | | | | | | | | | | | 1 |
| | | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | | 1 | | 2 | | 1 |
| | | | | | | | | | 1 | | 4 | | 4 | | 1 |
| | | | | | | | | 1 | | 5 | | 8 | | 5 | | 1 |
| | | | | | | | 1 | | 7 | | 17 | | 17 | | 7 | | 1 |
| | | | | | | 1 | | 8 | | 24 | | 34 | | 24 | | 8 | | 1 |
| | | | | | 1 | | 10 | | 39 | | 75 | | 75 | | 39 | | 10 | | 1 |
| | | | | 1 | | 11 | | 49 | | 114 | | 150 | | 114 | | 49 | | 11 | | 1 |
| | | | 1 | | 13 | | 70 | | 202 | | 339 | | 339 | | 202 | | 70 | | 13 | | 1 |
| | | 1 | | 14 | | 83 | | 272 | | 541 | | 678 | | 541 | | 272 | | 83 | | 14 | | 1 |
| | 1 | | 16 |
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A026386 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 2 | 4 | 5 | 7 | 8 | 10 | 11 | 13 | 14 | 16
| | 1 | 4 | 8 | 17 | 24 | 39 | 49 | 70 | 83
| | 1 | 5 | 17 | 34 | 75 | 114 | 202 | 272
| | 1 | 7 | 24 | 75 | 150 | 339 | 541
| | 1 | 8 | 39 | 114 | 339 | 678
| | 1 | 10 | 49 | 202 | 541
| | 1 | 11 | 70 | 272
| | 1 | 13 | 83
| | 1 | 14
| | 1
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A026386 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 2 | 4 | 5 | 7 | 8 | 10 | 11 | 13 | 14 | 16
| | | 1 | 4 | 8 | 17 | 24 | 39 | 49 | 70 | 83
| | | | 1 | 5 | 17 | 34 | 75 | 114 | 202 | 272
| | | | | 1 | 7 | 24 | 75 | 150 | 339 | 541
| | | | | | 1 | 8 | 39 | 114 | 339 | 678
| | | | | | | 1 | 10 | 49 | 202 | 541
| | | | | | | | 1 | 11 | 70 | 272
| | | | | | | | | 1 | 13 | 83
| | | | | | | | | | 1 | 14
| | | | | | | | | | | 1
| | | | | | | | | | |
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