A191898 as a triangular array
| | | | | | | | | | | | | 1 |
| | | | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | | | 1 | | -1 | | 1 |
| | | | | | | | | | | 1 | | 1 | | 1 | | 1 |
| | | | | | | | | | 1 | | -1 | | -2 | | -1 | | 1 |
| | | | | | | | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 |
| | | | | | | | 1 | | -1 | | 1 | | -1 | | 1 | | -1 | | 1 |
| | | | | | | 1 | | 1 | | -2 | | 1 | | 1 | | -2 | | 1 | | 1 |
| | | | | | 1 | | -1 | | 1 | | -1 | | -4 | | -1 | | 1 | | -1 | | 1 |
| | | | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 |
| | | | 1 | | -1 | | -2 | | -1 | | 1 | | 2 | | 1 | | -1 | | -2 | | -1 | | 1 |
| | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 | | 1 |
| | 1 | | -1 | | 1 | | -1 | | 1 | | -1 | | -6 | | -1 | | 1 | | -1 | | 1 | | -1 | | 1 |
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A191898 as a square array
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 1 | -1 | 1 | -1 | 1 | -1 | 1 | -1 | 1 | -1 | 1 | -1
| 1 | 1 | -2 | 1 | 1 | -2 | 1 | 1 | -2 | 1 | 1
| 1 | -1 | 1 | -1 | 1 | -1 | 1 | -1 | 1 | -1
| 1 | 1 | 1 | 1 | -4 | 1 | 1 | 1 | 1
| 1 | -1 | -2 | -1 | 1 | 2 | 1 | -1
| 1 | 1 | 1 | 1 | 1 | 1 | -6
| 1 | -1 | 1 | -1 | 1 | -1
| 1 | 1 | -2 | 1 | 1
| 1 | -1 | 1 | -1
| 1 | 1 | 1
| 1 | -1
| 1
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A191898 as an upper right triangle
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | -1 | 1 | -1 | 1 | -1 | 1 | -1 | 1 | -1 | 1 | -1
| | | 1 | 1 | -2 | 1 | 1 | -2 | 1 | 1 | -2 | 1 | 1
| | | | 1 | -1 | 1 | -1 | 1 | -1 | 1 | -1 | 1 | -1
| | | | | 1 | 1 | 1 | 1 | -4 | 1 | 1 | 1 | 1
| | | | | | 1 | -1 | -2 | -1 | 1 | 2 | 1 | -1
| | | | | | | 1 | 1 | 1 | 1 | 1 | 1 | -6
| | | | | | | | 1 | -1 | 1 | -1 | 1 | -1
| | | | | | | | | 1 | 1 | -2 | 1 | 1
| | | | | | | | | | 1 | -1 | 1 | -1
| | | | | | | | | | | 1 | 1 | 1
| | | | | | | | | | | | 1 | -1
| | | | | | | | | | | | | 1
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