A106509 as a triangular array
| | | | | | | | | | | | 1 |
| | | | | | | | | | | | 0 | | 1 |
| | | | | | | | | | | -1 | | -1 | | 1 |
| | | | | | | | | | 1 | | 0 | | -2 | | 1 |
| | | | | | | | | 0 | | 1 | | 2 | | -3 | | 1 |
| | | | | | | | -1 | | -1 | | -1 | | 5 | | -4 | | 1 |
| | | | | | | 1 | | 0 | | 0 | | -6 | | 9 | | -5 | | 1 |
| | | | | | 0 | | 1 | | 0 | | 6 | | -15 | | 14 | | -6 | | 1 |
| | | | | -1 | | -1 | | 1 | | -6 | | 21 | | -29 | | 20 | | -7 | | 1 |
| | | | 1 | | 0 | | -2 | | 7 | | -27 | | 50 | | -49 | | 27 | | -8 | | 1 |
| | | 0 | | 1 | | 2 | | -9 | | 34 | | -77 | | 99 | | -76 | | 35 | | -9 | | 1 |
| | -1 | | -1 | | -1 | | 11 | | -43 | | 111 | | -176 | | 175 | | -111 | | 44 | | -10 | | 1 |
|
A106509 as a square array
| 1 | 0 | -1 | 1 | 0 | -1 | 1 | 0 | -1 | 1 | 0 | -1
| | 1 | -1 | 0 | 1 | -1 | 0 | 1 | -1 | 0 | 1 | -1
| | 1 | -2 | 2 | -1 | 0 | 0 | 1 | -2 | 2 | -1
| | 1 | -3 | 5 | -6 | 6 | -6 | 7 | -9 | 11
| | 1 | -4 | 9 | -15 | 21 | -27 | 34 | -43
| | 1 | -5 | 14 | -29 | 50 | -77 | 111
| | 1 | -6 | 20 | -49 | 99 | -176
| | 1 | -7 | 27 | -76 | 175
| | 1 | -8 | 35 | -111
| | 1 | -9 | 44
| | 1 | -10
| | 1
|
A106509 as an upper right triangle
| 1 | 0 | -1 | 1 | 0 | -1 | 1 | 0 | -1 | 1 | 0 | -1
| | 1 | -1 | 0 | 1 | -1 | 0 | 1 | -1 | 0 | 1 | -1
| | | 1 | -2 | 2 | -1 | 0 | 0 | 1 | -2 | 2 | -1
| | | | 1 | -3 | 5 | -6 | 6 | -6 | 7 | -9 | 11
| | | | | 1 | -4 | 9 | -15 | 21 | -27 | 34 | -43
| | | | | | 1 | -5 | 14 | -29 | 50 | -77 | 111
| | | | | | | 1 | -6 | 20 | -49 | 99 | -176
| | | | | | | | 1 | -7 | 27 | -76 | 175
| | | | | | | | | 1 | -8 | 35 | -111
| | | | | | | | | | 1 | -9 | 44
| | | | | | | | | | | 1 | -10
| | | | | | | | | | | | 1
|
|
