A022173 as a triangular array
| | | | | | | | 1 |
| | | | | | | | 1 | | 1 |
| | | | | | | 1 | | 10 | | 1 |
| | | | | | 1 | | 91 | | 91 | | 1 |
| | | | | 1 | | 820 | | 7462 | | 820 | | 1 |
| | | | 1 | | 7381 | | 605242 | | 605242 | | 7381 | | 1 |
| | | 1 | | 66430 | | 49031983 | | 441826660 | | 49031983 | | 66430 | | 1 |
| | 1 | | 597871 | | 3971657053 | | 322140667123 | | 322140667123 | | 3971657053 |
|
A022173 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 10 | 91 | 820 | 7381 | 66430 | 597871
| | 1 | 91 | 7462 | 605242 | 49031983 | 3971657053
| | 1 | 820 | 605242 | 441826660 | 322140667123
| | 1 | 7381 | 49031983 | 322140667123
| | 1 | 66430 | 3971657053
| | 1
|
A022173 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 10 | 91 | 820 | 7381 | 66430 | 597871
| | | 1 | 91 | 7462 | 605242 | 49031983 | 3971657053
| | | | 1 | 820 | 605242 | 441826660 | 322140667123
| | | | | 1 | 7381 | 49031983 | 322140667123
| | | | | | 1 | 66430 | 3971657053
| | | | | | | 1
| | | | | | |
|
|
