A172302 as a triangular array
| | | | | | | | 1 |
| | | | | | | | 1 | | 1 |
| | | | | | | 1 | | 31 | | 1 |
| | | | | | 1 | | 806 | | 806 | | 1 |
| | | | | 1 | | 20306 | | 527956 | | 20306 | | 1 |
| | | | 1 | | 508431 | | 333038706 | | 333038706 | | 508431 | | 1 |
| | | 1 | | 12714681 | | 208533483081 | | 5253698396331 | | 208533483081 | | 12714681 | | 1 |
| | 1 | | 317886556 | | 130381488829956 | | 82245646088465706 | | 82245646088465706 | | 130381488829956 | | 317886556 | | 1 |
|
A172302 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 31 | 806 | 20306 | 508431 | 12714681 | 317886556
| | 1 | 806 | 527956 | 333038706 | 208533483081 | 130381488829956
| | 1 | 20306 | 333038706 | 5253698396331 | 82245646088465706
| | 1 | 508431 | 208533483081 | 82245646088465706
| | 1 | 12714681 | 130381488829956
| | 1 | 317886556
| | 1
|
A172302 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 31 | 806 | 20306 | 508431 | 12714681 | 317886556
| | | 1 | 806 | 527956 | 333038706 | 208533483081 | 130381488829956
| | | | 1 | 20306 | 333038706 | 5253698396331 | 82245646088465706
| | | | | 1 | 508431 | 208533483081 | 82245646088465706
| | | | | | 1 | 12714681 | 130381488829956
| | | | | | | 1 | 317886556
| | | | | | | | 1
|
|
