A057611 as a triangular array
| | | | | | | | | | | | 1 |
| | | | | | | | | | | | 1 | | 0 |
| | | | | | | | | | | 2 | | 0 | | 0 |
| | | | | | | | | | 5 | | 0 | | 0 | | 0 |
| | | | | | | | | 8 | | 5 | | 0 | | 0 | | 0 |
| | | | | | | | 19 | | 20 | | 0 | | 0 | | 0 | | 0 |
| | | | | | | 66 | | 55 | | 1 | | 0 | | 0 | | 0 | | 0 |
| | | | | | 280 | | 48 | | 64 | | 0 | | 0 | | 0 | | 0 | | 0 |
| | | | | 645 | | 584 | | 35 | | 22 | | 0 | | 0 | | 0 | | 0 | | 0 |
| | | | 2780 | | 842 | | 705 | | 10 | | 4 | | 0 | | 0 | | 0 | | 0 | | 0 |
| | | 9163 | | 2754 | | 2867 | | 30 | | 46 | | 0 | | 0 | | 0 | | 0 | | 0 | | 0 |
| | 29869 | | 10771 | | 9904 | | 311 | | 230 | | 0 | | 0 | | 0 | | 0 | | 0 | | 0 | | 0 |
|
A057611 as a square array
1 | 1 | 2 | 5 | 8 | 19 | 66 | 280 | 645 | 2780 | 9163 | 29869
| 0 | 0 | 0 | 5 | 20 | 55 | 48 | 584 | 842 | 2754 | 10771
| 0 | 0 | 0 | 0 | 1 | 64 | 35 | 705 | 2867 | 9904
| 0 | 0 | 0 | 0 | 0 | 22 | 10 | 30 | 311
| 0 | 0 | 0 | 0 | 0 | 4 | 46 | 230
| 0 | 0 | 0 | 0 | 0 | 0 | 0
| 0 | 0 | 0 | 0 | 0 | 0
| 0 | 0 | 0 | 0 | 0
| 0 | 0 | 0 | 0
| 0 | 0 | 0
| 0 | 0
| 0
|
A057611 as an upper right triangle
1 | 1 | 2 | 5 | 8 | 19 | 66 | 280 | 645 | 2780 | 9163 | 29869
| | 0 | 0 | 0 | 5 | 20 | 55 | 48 | 584 | 842 | 2754 | 10771
| | | 0 | 0 | 0 | 0 | 1 | 64 | 35 | 705 | 2867 | 9904
| | | | 0 | 0 | 0 | 0 | 0 | 22 | 10 | 30 | 311
| | | | | 0 | 0 | 0 | 0 | 0 | 4 | 46 | 230
| | | | | | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | | | | | | 0 | 0 | 0 | 0 | 0 | 0
| | | | | | | | 0 | 0 | 0 | 0 | 0
| | | | | | | | | 0 | 0 | 0 | 0
| | | | | | | | | | 0 | 0 | 0
| | | | | | | | | | | 0 | 0
| | | | | | | | | | | | 0
|
|