A291207 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | -1 |
| | | | | | | | | 1 | | -1 | | 0 |
| | | | | | | | 1 | | -1 | | -1 | | 1 |
| | | | | | | 1 | | -1 | | -3 | | 5 | | 0 |
| | | | | | 1 | | -1 | | -7 | | 27 | | 17 | | -2 |
| | | | | 1 | | -1 | | -15 | | 167 | | 441 | | -121 | | 0 |
| | | | 1 | | -1 | | -31 | | 1071 | | 10673 | | -11529 | | -721 | | 5 |
| | | 1 | | -1 | | -63 | | 6815 | | 262305 | | -1337713 | | -442827 | | 6845 | | 0 |
| | 1 | | -1 | | -127 | | 42687 | | 6525377 | | -161721441 | | -297209047 | | 23444883 | | 58337 | | -14 |
|
A291207 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1
| | 0 | -1 | -3 | -7 | -15 | -31 | -63 | -127
| | 1 | 5 | 27 | 167 | 1071 | 6815 | 42687
| | 0 | 17 | 441 | 10673 | 262305 | 6525377
| | -2 | -121 | -11529 | -1337713 | -161721441
| | 0 | -721 | -442827 | -297209047
| | 5 | 6845 | 23444883
| | 0 | 58337
| | -14
|
A291207 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1
| | | 0 | -1 | -3 | -7 | -15 | -31 | -63 | -127
| | | | 1 | 5 | 27 | 167 | 1071 | 6815 | 42687
| | | | | 0 | 17 | 441 | 10673 | 262305 | 6525377
| | | | | | -2 | -121 | -11529 | -1337713 | -161721441
| | | | | | | 0 | -721 | -442827 | -297209047
| | | | | | | | 5 | 6845 | 23444883
| | | | | | | | | 0 | 58337
| | | | | | | | | | -14
|
|
