A203460 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 1 |
| | | | | | | | | 1 | | 3 | | 1 |
| | | | | | | | 1 | | 9 | | 9 | | 1 |
| | | | | | | 1 | | 22 | | 84 | | 22 | | 1 |
| | | | | | 1 | | 63 | | 543 | | 543 | | 63 | | 1 |
| | | | | 1 | | 209 | | 3748 | | 8837 | | 3748 | | 209 | | 1 |
| | | | 1 | | 686 | | 29677 | | 143936 | | 143936 | | 29677 | | 686 | | 1 |
| | | 1 | | 2228 | | 237999 | | 2527020 | | 5660631 | | 2527020 | | 237999 | | 2228 | | 1 |
| | 1 | | 7365 | | 1882149 | | 44974778 | | 231588325 |
|
A203460 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 3 | 9 | 22 | 63 | 209 | 686 | 2228 | 7365
| | 1 | 9 | 84 | 543 | 3748 | 29677 | 237999 | 1882149
| | 1 | 22 | 543 | 8837 | 143936 | 2527020 | 44974778
| | 1 | 63 | 3748 | 143936 | 5660631 | 231588325
| | 1 | 209 | 29677 | 2527020
| | 1 | 686 | 237999
| | 1 | 2228
| | 1
|
A203460 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 3 | 9 | 22 | 63 | 209 | 686 | 2228 | 7365
| | | 1 | 9 | 84 | 543 | 3748 | 29677 | 237999 | 1882149
| | | | 1 | 22 | 543 | 8837 | 143936 | 2527020 | 44974778
| | | | | 1 | 63 | 3748 | 143936 | 5660631 | 231588325
| | | | | | 1 | 209 | 29677 | 2527020
| | | | | | | 1 | 686 | 237999
| | | | | | | | 1 | 2228
| | | | | | | | | 1
| | | | | | | | |
|
|
