A266921 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 0 |
| | | | | | | | | 1 | | 0 | | 1 |
| | | | | | | | 1 | | 0 | | 4 | | 2 |
| | | | | | | 1 | | 0 | | 8 | | 23 | | 9 |
| | | | | | 1 | | 0 | | 22 | | 376 | | 398 | | 44 |
| | | | | 1 | | 0 | | 54 | | 7137 | | 40298 | | 23432 | | 265 |
| | | | 1 | | 0 | | 142 | | 147378 | | 5336960 | | 25499147 | | 1841274 | | 1854 |
| | | 1 | | 0 | | 368 | | 3267167 | | 807737754 | | 39048984268 | | 28504890050 | | 193070360 | | 14833 |
| | 1 | | 0 | | 974 | | 75854154 |
|
A266921 as a square array
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| 1 | 4 | 8 | 22 | 54 | 142 | 368 | 974
| 2 | 23 | 376 | 7137 | 147378 | 3267167 | 75854154
| 9 | 398 | 40298 | 5336960 | 807737754
| 44 | 23432 | 25499147 | 39048984268
| 265 | 1841274 | 28504890050
| 1854 | 193070360
| 14833
|
A266921 as an upper right triangle
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
| | | 1 | 4 | 8 | 22 | 54 | 142 | 368 | 974
| | | | 2 | 23 | 376 | 7137 | 147378 | 3267167 | 75854154
| | | | | 9 | 398 | 40298 | 5336960 | 807737754
| | | | | | 44 | 23432 | 25499147 | 39048984268
| | | | | | | 265 | 1841274 | 28504890050
| | | | | | | | 1854 | 193070360
| | | | | | | | | 14833
| | | | | | | | |
|
|