A260877 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | -1 |
| | | | | | | | | 1 | | -1 | | 1 |
| | | | | | | | 1 | | -1 | | 1 | | -5 |
| | | | | | | 1 | | -1 | | 5 | | -1 | | 21 |
| | | | | | 1 | | -1 | | 19 | | -61 | | 1 | | -105 |
| | | | | 1 | | -1 | | 69 | | -1513 | | 1385 | | -1 | | 635 |
| | | | 1 | | -1 | | 251 | | -33661 | | 315523 | | -50521 | | 1 | | -4507 |
| | | 1 | | -1 | | 923 | | -750751 | | 60376809 | | -136085041 | | 2702765 | | -1 | | 36457 |
| | 1 | | -1 | | 3431 | | -17116009 | | 11593285251 |
|
A260877 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1
| | 1 | 1 | 5 | 19 | 69 | 251 | 923 | 3431
| | -5 | -1 | -61 | -1513 | -33661 | -750751 | -17116009
| | 21 | 1 | 1385 | 315523 | 60376809 | 11593285251
| | -105 | -1 | -50521 | -136085041
| | 635 | 1 | 2702765
| | -4507 | -1
| | 36457
|
A260877 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1
| | | 1 | 1 | 5 | 19 | 69 | 251 | 923 | 3431
| | | | -5 | -1 | -61 | -1513 | -33661 | -750751 | -17116009
| | | | | 21 | 1 | 1385 | 315523 | 60376809 | 11593285251
| | | | | | -105 | -1 | -50521 | -136085041
| | | | | | | 635 | 1 | 2702765
| | | | | | | | -4507 | -1
| | | | | | | | | 36457
| | | | | | | | |
|
|
