A305685 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 1 |
| | | | | | | | | 1 | | 4 | | 1 |
| | | | | | | | 1 | | 8 | | 8 | | 1 |
| | | | | | | 1 | | 24 | | 25 | | 24 | | 1 |
| | | | | | 1 | | 82 | | 139 | | 139 | | 82 | | 1 |
| | | | | 1 | | 272 | | 818 | | 1595 | | 818 | | 272 | | 1 |
| | | | 1 | | 908 | | 4869 | | 17947 | | 17947 | | 4869 | | 908 | | 1 |
| | | 1 | | 3076 | | 29339 | | 207116 | | 383910 | | 207116 | | 29339 | | 3076 | | 1 |
| | 1 | | 10444 | | 177688 | | 2403703 | | 8417922 | | 8417922 | | 2403703 |
|
A305685 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 4 | 8 | 24 | 82 | 272 | 908 | 3076 | 10444
| | 1 | 8 | 25 | 139 | 818 | 4869 | 29339 | 177688
| | 1 | 24 | 139 | 1595 | 17947 | 207116 | 2403703
| | 1 | 82 | 818 | 17947 | 383910 | 8417922
| | 1 | 272 | 4869 | 207116 | 8417922
| | 1 | 908 | 29339 | 2403703
| | 1 | 3076
| | 1
|
A305685 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 4 | 8 | 24 | 82 | 272 | 908 | 3076 | 10444
| | | 1 | 8 | 25 | 139 | 818 | 4869 | 29339 | 177688
| | | | 1 | 24 | 139 | 1595 | 17947 | 207116 | 2403703
| | | | | 1 | 82 | 818 | 17947 | 383910 | 8417922
| | | | | | 1 | 272 | 4869 | 207116 | 8417922
| | | | | | | 1 | 908 | 29339 | 2403703
| | | | | | | | 1 | 3076
| | | | | | | | | 1
| | | | | | | | |
|
|
