A158020 as a triangular array
| | | | | | | | | | | | 1 |
| | | | | | | | | | | | 1 | | -1 |
| | | | | | | | | | | -1 | | 0 | | 1 |
| | | | | | | | | | -1 | | 1 | | 1 | | -1 |
| | | | | | | | | 1 | | 0 | | -2 | | 0 | | 1 |
| | | | | | | | 1 | | -1 | | -2 | | 2 | | 1 | | -1 |
| | | | | | | -1 | | 0 | | 3 | | 0 | | -3 | | 0 | | 1 |
| | | | | | -1 | | 1 | | 3 | | -3 | | -3 | | 3 | | 1 | | -1 |
| | | | | 1 | | 0 | | -4 | | 0 | | 6 | | 0 | | -4 | | 0 | | 1 |
| | | | 1 | | -1 | | -4 | | 4 | | 6 | | -6 | | -4 | | 4 | | 1 | | -1 |
| | | -1 | | 0 | | 5 | | 0 | | -10 | | 0 | | 10 | | 0 | | -5 | | 0 | | 1 |
| | -1 | | 1 | | 5 | | -5 | | -10 | | 10 | | 10 | | -10 | | -5 | | 5 | | 1 | | -1 |
|
A158020 as a square array
| 1 | 1 | -1 | -1 | 1 | 1 | -1 | -1 | 1 | 1 | -1 | -1
| | -1 | 0 | 1 | 0 | -1 | 0 | 1 | 0 | -1 | 0 | 1
| | 1 | 1 | -2 | -2 | 3 | 3 | -4 | -4 | 5 | 5
| | -1 | 0 | 2 | 0 | -3 | 0 | 4 | 0 | -5
| | 1 | 1 | -3 | -3 | 6 | 6 | -10 | -10
| | -1 | 0 | 3 | 0 | -6 | 0 | 10
| | 1 | 1 | -4 | -4 | 10 | 10
| | -1 | 0 | 4 | 0 | -10
| | 1 | 1 | -5 | -5
| | -1 | 0 | 5
| | 1 | 1
| | -1
|
A158020 as an upper right triangle
| 1 | 1 | -1 | -1 | 1 | 1 | -1 | -1 | 1 | 1 | -1 | -1
| | -1 | 0 | 1 | 0 | -1 | 0 | 1 | 0 | -1 | 0 | 1
| | | 1 | 1 | -2 | -2 | 3 | 3 | -4 | -4 | 5 | 5
| | | | -1 | 0 | 2 | 0 | -3 | 0 | 4 | 0 | -5
| | | | | 1 | 1 | -3 | -3 | 6 | 6 | -10 | -10
| | | | | | -1 | 0 | 3 | 0 | -6 | 0 | 10
| | | | | | | 1 | 1 | -4 | -4 | 10 | 10
| | | | | | | | -1 | 0 | 4 | 0 | -10
| | | | | | | | | 1 | 1 | -5 | -5
| | | | | | | | | | -1 | 0 | 5
| | | | | | | | | | | 1 | 1
| | | | | | | | | | | | -1
|
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