A121871 as a triangular array
| | | | | | 1 |
| | | | | | 2 | | -2 |
| | | | | 11 | | -12 | | 2 |
| | | | 52 | | -70 | | 20 | | -2 |
| | | 269 | | -392 | | 150 | | -28 | | 2 |
| | 1414 | | -2186 | | 1000 | | -262 | | 36 | | -2 |
|
A121871 as a square array
| 1 | 2 | 11 | 52 | 269 | 1414
| | -2 | -12 | -70 | -392 | -2186
| | 2 | 20 | 150 | 1000
| | -2 | -28 | -262
| | 2 | 36
| | -2
|
A121871 as an upper right triangle
| 1 | 2 | 11 | 52 | 269 | 1414
| | -2 | -12 | -70 | -392 | -2186
| | | 2 | 20 | 150 | 1000
| | | | -2 | -28 | -262
| | | | | 2 | 36
| | | | | | -2
|
|
