A185331 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | -1 | | 1 |
| | | | | | | | | | 0 | | -1 | | 1 |
| | | | | | | | | 1 | | -1 | | -1 | | 1 |
| | | | | | | | 0 | | 2 | | -2 | | -1 | | 1 |
| | | | | | | -1 | | 1 | | 3 | | -3 | | -1 | | 1 |
| | | | | | 0 | | -3 | | 3 | | 4 | | -4 | | -1 | | 1 |
| | | | | 1 | | -1 | | -6 | | 6 | | 5 | | -5 | | -1 | | 1 |
| | | | 0 | | 4 | | -4 | | -10 | | 10 | | 6 | | -6 | | -1 | | 1 |
| | | -1 | | 1 | | 10 | | -10 | | -15 | | 15 | | 7 | | -7 | | -1 | | 1 |
| | 0 | | -5 | | 5 | | 20 | | -20 | | -21 | | 21 | | 8 | | -8 | | -1 | | 1 |
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A185331 as a square array
1 | -1 | 0 | 1 | 0 | -1 | 0 | 1 | 0 | -1 | 0
| 1 | -1 | -1 | 2 | 1 | -3 | -1 | 4 | 1 | -5
| 1 | -1 | -2 | 3 | 3 | -6 | -4 | 10 | 5
| 1 | -1 | -3 | 4 | 6 | -10 | -10 | 20
| 1 | -1 | -4 | 5 | 10 | -15 | -20
| 1 | -1 | -5 | 6 | 15 | -21
| 1 | -1 | -6 | 7 | 21
| 1 | -1 | -7 | 8
| 1 | -1 | -8
| 1 | -1
| 1
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A185331 as an upper right triangle
1 | -1 | 0 | 1 | 0 | -1 | 0 | 1 | 0 | -1 | 0
| | 1 | -1 | -1 | 2 | 1 | -3 | -1 | 4 | 1 | -5
| | | 1 | -1 | -2 | 3 | 3 | -6 | -4 | 10 | 5
| | | | 1 | -1 | -3 | 4 | 6 | -10 | -10 | 20
| | | | | 1 | -1 | -4 | 5 | 10 | -15 | -20
| | | | | | 1 | -1 | -5 | 6 | 15 | -21
| | | | | | | 1 | -1 | -6 | 7 | 21
| | | | | | | | 1 | -1 | -7 | 8
| | | | | | | | | 1 | -1 | -8
| | | | | | | | | | 1 | -1
| | | | | | | | | | | 1
|
|