A174790 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 1 | | 1 |
| | | | | | | | 1 | | 5 | | 1 |
| | | | | | | 1 | | 37 | | 37 | | 1 |
| | | | | | 1 | | 289 | | 721 | | 289 | | 1 |
| | | | | 1 | | 2401 | | 10801 | | 10801 | | 2401 | | 1 |
| | | | 1 | | 21601 | | 151201 | | 273601 | | 151201 | | 21601 | | 1 |
| | | 1 | | 211681 | | 2116801 | | 5997601 | | 5997601 | | 2116801 | | 211681 | | 1 |
| | 1 | | 2257921 | | 30481921 | | 124185601 | | 194745601 | | 124185601 | | 30481921 | | 2257921 | | 1 |
|
A174790 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 5 | 37 | 289 | 2401 | 21601 | 211681 | 2257921
| | 1 | 37 | 721 | 10801 | 151201 | 2116801 | 30481921
| | 1 | 289 | 10801 | 273601 | 5997601 | 124185601
| | 1 | 2401 | 151201 | 5997601 | 194745601
| | 1 | 21601 | 2116801 | 124185601
| | 1 | 211681 | 30481921
| | 1 | 2257921
| | 1
|
A174790 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 5 | 37 | 289 | 2401 | 21601 | 211681 | 2257921
| | | 1 | 37 | 721 | 10801 | 151201 | 2116801 | 30481921
| | | | 1 | 289 | 10801 | 273601 | 5997601 | 124185601
| | | | | 1 | 2401 | 151201 | 5997601 | 194745601
| | | | | | 1 | 21601 | 2116801 | 124185601
| | | | | | | 1 | 211681 | 30481921
| | | | | | | | 1 | 2257921
| | | | | | | | | 1
|
|
