A174921 as a triangular array
| | | | | | | | 1 |
| | | | | | | | 1 | | 1 |
| | | | | | | 1 | | 10 | | 1 |
| | | | | | 1 | | 325 | | 325 | | 1 |
| | | | | 1 | | 6562 | | 123202 | | 6562 | | 1 |
| | | | 1 | | 112897 | | 33489370 | | 33489370 | | 112897 | | 1 |
| | | 1 | | 1846882 | | 8663514085 | | 141966936226 | | 8663514085 | | 1846882 | | 1 |
| | 1 | | 29746117 | | 2222580052225 | | 586055248782085 | | 586055248782085 |
|
A174921 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 10 | 325 | 6562 | 112897 | 1846882 | 29746117
| | 1 | 325 | 123202 | 33489370 | 8663514085 | 2222580052225
| | 1 | 6562 | 33489370 | 141966936226 | 586055248782085
| | 1 | 112897 | 8663514085 | 586055248782085
| | 1 | 1846882
| | 1
|
A174921 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 10 | 325 | 6562 | 112897 | 1846882 | 29746117
| | | 1 | 325 | 123202 | 33489370 | 8663514085 | 2222580052225
| | | | 1 | 6562 | 33489370 | 141966936226 | 586055248782085
| | | | | 1 | 112897 | 8663514085 | 586055248782085
| | | | | | 1 | 1846882
| | | | | | | 1
| | | | | | |
|
|
