A127898 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 3 | | 1 |
| | | | | | | | 12 | | 6 | | 1 |
| | | | | | | 55 | | 33 | | 9 | | 1 |
| | | | | | 273 | | 182 | | 63 | | 12 | | 1 |
| | | | | 1428 | | 1020 | | 408 | | 102 | | 15 | | 1 |
| | | | 7752 | | 5814 | | 2565 | | 760 | | 150 | | 18 | | 1 |
| | | 43263 | | 33649 | | 15939 | | 5313 | | 1265 | | 207 | | 21 | | 1 |
| | 246675 | | 197340 | | 98670 | | 35880 | | 9750 | | 1950 | | 273 | | 24 | | 1 |
|
A127898 as a square array
| 1 | 3 | 12 | 55 | 273 | 1428 | 7752 | 43263 | 246675
| | 1 | 6 | 33 | 182 | 1020 | 5814 | 33649 | 197340
| | 1 | 9 | 63 | 408 | 2565 | 15939 | 98670
| | 1 | 12 | 102 | 760 | 5313 | 35880
| | 1 | 15 | 150 | 1265 | 9750
| | 1 | 18 | 207 | 1950
| | 1 | 21 | 273
| | 1 | 24
| | 1
|
A127898 as an upper right triangle
| 1 | 3 | 12 | 55 | 273 | 1428 | 7752 | 43263 | 246675
| | 1 | 6 | 33 | 182 | 1020 | 5814 | 33649 | 197340
| | | 1 | 9 | 63 | 408 | 2565 | 15939 | 98670
| | | | 1 | 12 | 102 | 760 | 5313 | 35880
| | | | | 1 | 15 | 150 | 1265 | 9750
| | | | | | 1 | 18 | 207 | 1950
| | | | | | | 1 | 21 | 273
| | | | | | | | 1 | 24
| | | | | | | | | 1
|
|
