A015109 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | 1 | | -1 | | 1 |
| | | | | | | | | 1 | | 3 | | 3 | | 1 |
| | | | | | | | 1 | | -5 | | 15 | | -5 | | 1 |
| | | | | | | 1 | | 11 | | 55 | | 55 | | 11 | | 1 |
| | | | | | 1 | | -21 | | 231 | | -385 | | 231 | | -21 | | 1 |
| | | | | 1 | | 43 | | 903 | | 3311 | | 3311 | | 903 | | 43 | | 1 |
| | | | 1 | | -85 | | 3655 | | -25585 | | 56287 | | -25585 | | 3655 | | -85 | | 1 |
| | | 1 | | 171 | | 14535 | | 208335 | | 875007 | | 875007 | | 208335 | | 14535 | | 171 | | 1 |
| | 1 | | -341 | | 58311 |
|
A015109 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | -1 | 3 | -5 | 11 | -21 | 43 | -85 | 171 | -341
| | 1 | 3 | 15 | 55 | 231 | 903 | 3655 | 14535 | 58311
| | 1 | -5 | 55 | -385 | 3311 | -25585 | 208335
| | 1 | 11 | 231 | 3311 | 56287 | 875007
| | 1 | -21 | 903 | -25585 | 875007
| | 1 | 43 | 3655 | 208335
| | 1 | -85 | 14535
| | 1 | 171
| | 1
|
A015109 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | -1 | 3 | -5 | 11 | -21 | 43 | -85 | 171 | -341
| | | 1 | 3 | 15 | 55 | 231 | 903 | 3655 | 14535 | 58311
| | | | 1 | -5 | 55 | -385 | 3311 | -25585 | 208335
| | | | | 1 | 11 | 231 | 3311 | 56287 | 875007
| | | | | | 1 | -21 | 903 | -25585 | 875007
| | | | | | | 1 | 43 | 3655 | 208335
| | | | | | | | 1 | -85 | 14535
| | | | | | | | | 1 | 171
| | | | | | | | | | 1
| | | | | | | | | |
|
|
