A286950 as a triangular array
| | | | | | | | | | | | | 1 |
| | | | | | | | | | | | | 1 | | -1 |
| | | | | | | | | | | | 1 | | 0 | | -1 |
| | | | | | | | | | | 1 | | -1 | | 0 | | 0 |
| | | | | | | | | | 1 | | -1 | | 1 | | 0 | | 0 |
| | | | | | | | | 1 | | -1 | | -1 | | -2 | | 0 | | 1 |
| | | | | | | | 1 | | -1 | | -1 | | 3 | | 3 | | 0 | | 0 |
| | | | | | | 1 | | -1 | | -1 | | 0 | | -3 | | -4 | | 0 | | 1 |
| | | | | | 1 | | -1 | | -1 | | 0 | | 4 | | -2 | | 5 | | 0 | | 0 |
| | | | | 1 | | -1 | | -1 | | 0 | | 0 | | -3 | | 9 | | -7 | | 0 | | 0 |
| | | | 1 | | -1 | | -1 | | 0 | | 0 | | 6 | | -4 | | -8 | | 10 | | 0 | | 0 |
| | | 1 | | -1 | | -1 | | 0 | | 0 | | 1 | | -5 | | 1 | | -6 | | -13 | | 0 | | 0 |
| | 1 |
|
A286950 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | -1 | 0 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1
| | -1 | 0 | 1 | -1 | -1 | -1 | -1 | -1 | -1 | -1
| | 0 | 0 | -2 | 3 | 0 | 0 | 0 | 0 | 0
| | 0 | 0 | 3 | -3 | 4 | 0 | 0 | 0
| | 1 | 0 | -4 | -2 | -3 | 6 | 1
| | 0 | 0 | 5 | 9 | -4 | -5
| | 1 | 0 | -7 | -8 | 1
| | 0 | 0 | 10 | -6
| | 0 | 0 | -13
| | 0 | 0
| | 0
|
A286950 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | -1 | 0 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1
| | | -1 | 0 | 1 | -1 | -1 | -1 | -1 | -1 | -1 | -1
| | | | 0 | 0 | -2 | 3 | 0 | 0 | 0 | 0 | 0
| | | | | 0 | 0 | 3 | -3 | 4 | 0 | 0 | 0
| | | | | | 1 | 0 | -4 | -2 | -3 | 6 | 1
| | | | | | | 0 | 0 | 5 | 9 | -4 | -5
| | | | | | | | 1 | 0 | -7 | -8 | 1
| | | | | | | | | 0 | 0 | 10 | -6
| | | | | | | | | | 0 | 0 | -13
| | | | | | | | | | | 0 | 0
| | | | | | | | | | | | 0
| | | | | | | | | | | |
|
|
