A026692 as a triangular array
| | | | | | | | | | | | 1 |
| | | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | | 1 | | 2 | | 1 |
| | | | | | | | | | 1 | | 3 | | 3 | | 1 |
| | | | | | | | | 1 | | 4 | | 8 | | 4 | | 1 |
| | | | | | | | 1 | | 5 | | 15 | | 15 | | 5 | | 1 |
| | | | | | | 1 | | 6 | | 24 | | 30 | | 24 | | 6 | | 1 |
| | | | | | 1 | | 7 | | 35 | | 54 | | 54 | | 35 | | 7 | | 1 |
| | | | | 1 | | 8 | | 48 | | 89 | | 138 | | 89 | | 48 | | 8 | | 1 |
| | | | 1 | | 9 | | 63 | | 137 | | 281 | | 281 | | 137 | | 63 | | 9 | | 1 |
| | | 1 | | 10 | | 80 | | 200 | | 507 | | 562 | | 507 | | 200 | | 80 | | 10 | | 1 |
| | 1 | | 11 | | 99 | | 280 | | 844 |
|
A026692 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11
| | 1 | 3 | 8 | 15 | 24 | 35 | 48 | 63 | 80 | 99
| | 1 | 4 | 15 | 30 | 54 | 89 | 137 | 200 | 280
| | 1 | 5 | 24 | 54 | 138 | 281 | 507 | 844
| | 1 | 6 | 35 | 89 | 281 | 562
| | 1 | 7 | 48 | 137 | 507
| | 1 | 8 | 63 | 200
| | 1 | 9 | 80
| | 1 | 10
| | 1
|
A026692 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11
| | | 1 | 3 | 8 | 15 | 24 | 35 | 48 | 63 | 80 | 99
| | | | 1 | 4 | 15 | 30 | 54 | 89 | 137 | 200 | 280
| | | | | 1 | 5 | 24 | 54 | 138 | 281 | 507 | 844
| | | | | | 1 | 6 | 35 | 89 | 281 | 562
| | | | | | | 1 | 7 | 48 | 137 | 507
| | | | | | | | 1 | 8 | 63 | 200
| | | | | | | | | 1 | 9 | 80
| | | | | | | | | | 1 | 10
| | | | | | | | | | | 1
| | | | | | | | | | |
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