A213166 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 1 | | 1 |
| | | | | | | | 1 | | 4 | | 1 |
| | | | | | | 1 | | 12 | | 10 | | 1 |
| | | | | | 1 | | 35 | | 63 | | 20 | | 1 |
| | | | | 1 | | 111 | | 348 | | 224 | | 35 | | 1 |
| | | | 1 | | 405 | | 1920 | | 2027 | | 630 | | 56 | | 1 |
| | | 1 | | 1733 | | 11247 | | 17142 | | 8600 | | 1512 | | 84 | | 1 |
| | 1 | | 8666 | | 71861 | | 145375 | | 104175 | | 29447 | | 3234 | | 120 | | 1 |
|
A213166 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 4 | 12 | 35 | 111 | 405 | 1733 | 8666
| | 1 | 10 | 63 | 348 | 1920 | 11247 | 71861
| | 1 | 20 | 224 | 2027 | 17142 | 145375
| | 1 | 35 | 630 | 8600 | 104175
| | 1 | 56 | 1512 | 29447
| | 1 | 84 | 3234
| | 1 | 120
| | 1
|
A213166 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 4 | 12 | 35 | 111 | 405 | 1733 | 8666
| | | 1 | 10 | 63 | 348 | 1920 | 11247 | 71861
| | | | 1 | 20 | 224 | 2027 | 17142 | 145375
| | | | | 1 | 35 | 630 | 8600 | 104175
| | | | | | 1 | 56 | 1512 | 29447
| | | | | | | 1 | 84 | 3234
| | | | | | | | 1 | 120
| | | | | | | | | 1
|
|
