A212261 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 1 | | -1 |
| | | | | | | | 1 | | -2 | | 1 |
| | | | | | | 1 | | -3 | | 12 | | -1 |
| | | | | | 1 | | -4 | | 33 | | -128 | | 1 |
| | | | | 1 | | -5 | | 64 | | -731 | | 1872 | | -1 |
| | | | 1 | | -6 | | 105 | | -2160 | | 25857 | | -37600 | | 1 |
| | | 1 | | -7 | | 156 | | -4765 | | 121600 | | -1311379 | | 990784 | | -1 |
| | 1 | | -8 | | 217 | | -8896 | | 368145 | | -10138880 | | 89060065 | | -32333824 | | 1 |
|
A212261 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | -1 | -2 | -3 | -4 | -5 | -6 | -7 | -8
| | 1 | 12 | 33 | 64 | 105 | 156 | 217
| | -1 | -128 | -731 | -2160 | -4765 | -8896
| | 1 | 1872 | 25857 | 121600 | 368145
| | -1 | -37600 | -1311379 | -10138880
| | 1 | 990784 | 89060065
| | -1 | -32333824
| | 1
|
A212261 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | -1 | -2 | -3 | -4 | -5 | -6 | -7 | -8
| | | 1 | 12 | 33 | 64 | 105 | 156 | 217
| | | | -1 | -128 | -731 | -2160 | -4765 | -8896
| | | | | 1 | 1872 | 25857 | 121600 | 368145
| | | | | | -1 | -37600 | -1311379 | -10138880
| | | | | | | 1 | 990784 | 89060065
| | | | | | | | -1 | -32333824
| | | | | | | | | 1
|
|
