A268169 as a triangular array
| | | | | | | | 1 |
| | | | | | | | 4 | | 4 |
| | | | | | | 15 | | 64 | | 15 |
| | | | | | 55 | | 900 | | 900 | | 55 |
| | | | | 197 | | 12100 | | 44517 | | 12100 | | 197 |
| | | | 695 | | 155236 | | 2059071 | | 2059071 | | 155236 | | 695 |
| | | 2421 | | 1932100 | | 88808673 | | 320575732 | | 88808673 | | 1932100 | | 2421 |
| | 8351 | | 23444964 | | 3660830427 | | 45491100473 | | 45491100473 |
|
A268169 as a square array
1 | 4 | 15 | 55 | 197 | 695 | 2421 | 8351
| 4 | 64 | 900 | 12100 | 155236 | 1932100 | 23444964
| 15 | 900 | 44517 | 2059071 | 88808673 | 3660830427
| 55 | 12100 | 2059071 | 320575732 | 45491100473
| 197 | 155236 | 88808673 | 45491100473
| 695 | 1932100
| 2421
|
A268169 as an upper right triangle
1 | 4 | 15 | 55 | 197 | 695 | 2421 | 8351
| | 4 | 64 | 900 | 12100 | 155236 | 1932100 | 23444964
| | | 15 | 900 | 44517 | 2059071 | 88808673 | 3660830427
| | | | 55 | 12100 | 2059071 | 320575732 | 45491100473
| | | | | 197 | 155236 | 88808673 | 45491100473
| | | | | | 695 | 1932100
| | | | | | | 2421
| | | | | | |
|
|