A066170 as a triangular array
| | | | | | | | | | | | | 1 |
| | | | | | | | | | | | | -1 | | 1 |
| | | | | | | | | | | | 1 | | -1 | | -1 |
| | | | | | | | | | | -1 | | 2 | | 1 | | -1 |
| | | | | | | | | | 1 | | -2 | | -3 | | 1 | | 1 |
| | | | | | | | | -1 | | 3 | | 3 | | -4 | | -1 | | 1 |
| | | | | | | | 1 | | -3 | | -6 | | 4 | | 5 | | -1 | | -1 |
| | | | | | | -1 | | 4 | | 6 | | -10 | | -5 | | 6 | | 1 | | -1 |
| | | | | | 1 | | -4 | | -10 | | 10 | | 15 | | -6 | | -7 | | 1 | | 1 |
| | | | | -1 | | 5 | | 10 | | -20 | | -15 | | 21 | | 7 | | -8 | | -1 | | 1 |
| | | | 1 | | -5 | | -15 | | 20 | | 35 | | -21 | | -28 | | 8 | | 9 | | -1 | | -1 |
| | | -1 | | 6 | | 15 | | -35 | | -35 | | 56 | | 28 | | -36 | | -9 | | 10 | | 1 | | -1 |
| | 1 | | -6 | | -21 | | 35 | | 70 | | -56 | | -84 | | 36 | | 45 | | -10 | | -11 |
|
A066170 as a square array
| 1 | -1 | 1 | -1 | 1 | -1 | 1 | -1 | 1 | -1 | 1 | -1 | 1
| | 1 | -1 | 2 | -2 | 3 | -3 | 4 | -4 | 5 | -5 | 6 | -6
| | -1 | 1 | -3 | 3 | -6 | 6 | -10 | 10 | -15 | 15 | -21
| | -1 | 1 | -4 | 4 | -10 | 10 | -20 | 20 | -35 | 35
| | 1 | -1 | 5 | -5 | 15 | -15 | 35 | -35 | 70
| | 1 | -1 | 6 | -6 | 21 | -21 | 56 | -56
| | -1 | 1 | -7 | 7 | -28 | 28 | -84
| | -1 | 1 | -8 | 8 | -36 | 36
| | 1 | -1 | 9 | -9 | 45
| | 1 | -1 | 10 | -10
| | -1 | 1 | -11
| | -1
|
A066170 as an upper right triangle
| 1 | -1 | 1 | -1 | 1 | -1 | 1 | -1 | 1 | -1 | 1 | -1 | 1
| | 1 | -1 | 2 | -2 | 3 | -3 | 4 | -4 | 5 | -5 | 6 | -6
| | | -1 | 1 | -3 | 3 | -6 | 6 | -10 | 10 | -15 | 15 | -21
| | | | -1 | 1 | -4 | 4 | -10 | 10 | -20 | 20 | -35 | 35
| | | | | 1 | -1 | 5 | -5 | 15 | -15 | 35 | -35 | 70
| | | | | | 1 | -1 | 6 | -6 | 21 | -21 | 56 | -56
| | | | | | | -1 | 1 | -7 | 7 | -28 | 28 | -84
| | | | | | | | -1 | 1 | -8 | 8 | -36 | 36
| | | | | | | | | 1 | -1 | 9 | -9 | 45
| | | | | | | | | | 1 | -1 | 10 | -10
| | | | | | | | | | | -1 | 1 | -11
| | | | | | | | | | | | -1
| | | | | | | | | | | |
|
|
