A155908 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 1 | | 1 |
| | | | | | | | 1 | | 6 | | 1 |
| | | | | | | 1 | | 27 | | 27 | | 1 |
| | | | | | 1 | | 156 | | 262 | | 156 | | 1 |
| | | | | 1 | | 1375 | | 2560 | | 2560 | | 1375 | | 1 |
| | | | 1 | | 16998 | | 33303 | | 34052 | | 33303 | | 16998 | | 1 |
| | | 1 | | 262591 | | 576261 | | 546875 | | 546875 | | 576261 | | 262591 | | 1 |
| | 1 | | 4783992 | | 12054460 | | 11922248 | | 9222918 | | 11922248 | | 12054460 | | 4783992 | | 1 |
|
A155908 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 6 | 27 | 156 | 1375 | 16998 | 262591 | 4783992
| | 1 | 27 | 262 | 2560 | 33303 | 576261 | 12054460
| | 1 | 156 | 2560 | 34052 | 546875 | 11922248
| | 1 | 1375 | 33303 | 546875 | 9222918
| | 1 | 16998 | 576261 | 11922248
| | 1 | 262591 | 12054460
| | 1 | 4783992
| | 1
|
A155908 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 6 | 27 | 156 | 1375 | 16998 | 262591 | 4783992
| | | 1 | 27 | 262 | 2560 | 33303 | 576261 | 12054460
| | | | 1 | 156 | 2560 | 34052 | 546875 | 11922248
| | | | | 1 | 1375 | 33303 | 546875 | 9222918
| | | | | | 1 | 16998 | 576261 | 11922248
| | | | | | | 1 | 262591 | 12054460
| | | | | | | | 1 | 4783992
| | | | | | | | | 1
|
|
