A172350 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 1 |
| | | | | | | | | 1 | | 1 | | 1 |
| | | | | | | | 1 | | 6 | | 6 | | 1 |
| | | | | | | 1 | | 11 | | 66 | | 11 | | 1 |
| | | | | | 1 | | 41 | | 451 | | 451 | | 41 | | 1 |
| | | | | 1 | | 96 | | 3936 | | 7216 | | 3936 | | 96 | | 1 |
| | | | 1 | | 301 | | 28896 | | 197456 | | 197456 | | 28896 | | 301 | | 1 |
| | | 1 | | 781 | | 235081 | | 3761296 | | 14019376 | | 3761296 | | 235081 | | 781 | | 1 |
| | 1 | | 2286 | | 1785366 | | 89565861 | | 781665696 |
|
A172350 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 6 | 11 | 41 | 96 | 301 | 781 | 2286
| | 1 | 6 | 66 | 451 | 3936 | 28896 | 235081 | 1785366
| | 1 | 11 | 451 | 7216 | 197456 | 3761296 | 89565861
| | 1 | 41 | 3936 | 197456 | 14019376 | 781665696
| | 1 | 96 | 28896 | 3761296
| | 1 | 301 | 235081
| | 1 | 781
| | 1
|
A172350 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 6 | 11 | 41 | 96 | 301 | 781 | 2286
| | | 1 | 6 | 66 | 451 | 3936 | 28896 | 235081 | 1785366
| | | | 1 | 11 | 451 | 7216 | 197456 | 3761296 | 89565861
| | | | | 1 | 41 | 3936 | 197456 | 14019376 | 781665696
| | | | | | 1 | 96 | 28896 | 3761296
| | | | | | | 1 | 301 | 235081
| | | | | | | | 1 | 781
| | | | | | | | | 1
| | | | | | | | |
|
|
