A255915 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 1 | | 1 |
| | | | | | | | 1 | | 63 | | 1 |
| | | | | | | 1 | | 728 | | 728 | | 1 |
| | | | | | 1 | | 4032 | | 46592 | | 4032 | | 1 |
| | | | | 1 | | 15624 | | 999936 | | 999936 | | 15624 | | 1 |
| | | | 1 | | 45864 | | 11374272 | | 62995968 | | 11374272 | | 45864 | | 1 |
| | | 1 | | 117648 | | 85647744 | | 1838132352 | | 1838132352 | | 85647744 | | 117648 | | 1 |
| | 1 | | 258048 | | 481886208 | | 30358831104 | | 117640470528 |
|
A255915 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 63 | 728 | 4032 | 15624 | 45864 | 117648 | 258048
| | 1 | 728 | 46592 | 999936 | 11374272 | 85647744 | 481886208
| | 1 | 4032 | 999936 | 62995968 | 1838132352 | 30358831104
| | 1 | 15624 | 11374272 | 1838132352 | 117640470528
| | 1 | 45864 | 85647744
| | 1 | 117648
| | 1
|
A255915 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 63 | 728 | 4032 | 15624 | 45864 | 117648 | 258048
| | | 1 | 728 | 46592 | 999936 | 11374272 | 85647744 | 481886208
| | | | 1 | 4032 | 999936 | 62995968 | 1838132352 | 30358831104
| | | | | 1 | 15624 | 11374272 | 1838132352 | 117640470528
| | | | | | 1 | 45864 | 85647744
| | | | | | | 1 | 117648
| | | | | | | | 1
| | | | | | | |
|
|
