A289656 as a triangular array
| | | | | | | | 1 |
| | | | | | | | 1 | | 2 |
| | | | | | | 1 | | 3 | | 6 |
| | | | | | 1 | | 5 | | 13 | | 26 |
| | | | | 1 | | 7 | | 24 | | 59 | | 120 |
| | | | 1 | | 11 | | 48 | | 141 | | 331 | | 672 |
| | | 1 | | 15 | | 86 | | 310 | | 855 | | 1982 | | 4067 |
| | 1 | | 22 | | 160 | | 692 | | 2214 | | 5817 | | 13301 | | 27428 |
|
A289656 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 2 | 3 | 5 | 7 | 11 | 15 | 22
| | 6 | 13 | 24 | 48 | 86 | 160
| | 26 | 59 | 141 | 310 | 692
| | 120 | 331 | 855 | 2214
| | 672 | 1982 | 5817
| | 4067 | 13301
| | 27428
|
A289656 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 2 | 3 | 5 | 7 | 11 | 15 | 22
| | | 6 | 13 | 24 | 48 | 86 | 160
| | | | 26 | 59 | 141 | 310 | 692
| | | | | 120 | 331 | 855 | 2214
| | | | | | 672 | 1982 | 5817
| | | | | | | 4067 | 13301
| | | | | | | | 27428
|
|
