A250620 as a triangular array
| | | | | | | | 81 |
| | | | | | | | 484 | | 484 |
| | | | | | | 2704 | | 6166 | | 2704 |
| | | | | | 13456 | | 71610 | | 71610 | | 13456 |
| | | | | 64009 | | 712806 | | 1690656 | | 712806 | | 64009 |
| | | | 290521 | | 6676967 | | 32944614 | | 32944614 | | 6676967 | | 290521 |
| | | 1283689 | | 58739370 | | 595652178 | | 1223112064 | | 595652178 | | 58739370 | | 1283689 |
| | 5541316 |
|
A250620 as a square array
81 | 484 | 2704 | 13456 | 64009 | 290521 | 1283689 | 5541316
| 484 | 6166 | 71610 | 712806 | 6676967 | 58739370
| 2704 | 71610 | 1690656 | 32944614 | 595652178
| 13456 | 712806 | 32944614 | 1223112064
| 64009 | 6676967 | 595652178
| 290521 | 58739370
| 1283689
|
A250620 as an upper right triangle
81 | 484 | 2704 | 13456 | 64009 | 290521 | 1283689 | 5541316
| | 484 | 6166 | 71610 | 712806 | 6676967 | 58739370
| | | 2704 | 71610 | 1690656 | 32944614 | 595652178
| | | | 13456 | 712806 | 32944614 | 1223112064
| | | | | 64009 | 6676967 | 595652178
| | | | | | 290521 | 58739370
| | | | | | | 1283689
| | | | | | |
|
|