A168423 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | -1 | | 1 |
| | | | | | | | | | 1 | | -1 | | 1 |
| | | | | | | | | -1 | | 1 | | 1 | | 1 |
| | | | | | | | 1 | | -1 | | 1 | | 7 | | 1 |
| | | | | | | -1 | | 1 | | 1 | | 21 | | 21 | | 1 |
| | | | | | 1 | | -1 | | 1 | | 51 | | 161 | | 51 | | 1 |
| | | | | -1 | | 1 | | 1 | | 113 | | 813 | | 813 | | 113 | | 1 |
| | | | 1 | | -1 | | 1 | | 239 | | 3361 | | 7631 | | 3361 | | 239 | | 1 |
| | | -1 | | 1 | | 1 | | 493 | | 12421 | | 53833 | | 53833 | | 12421 | | 493 | | 1 |
| | 1 | | -1 | | 1 | | 1003 | | 42865 | | 320107 | | 607009 | | 320107 | | 42865 |
|
A168423 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 | 1 | 1 | 1
| | 1 | 7 | 21 | 51 | 113 | 239 | 493 | 1003
| | 1 | 21 | 161 | 813 | 3361 | 12421 | 42865
| | 1 | 51 | 813 | 7631 | 53833 | 320107
| | 1 | 113 | 3361 | 53833 | 607009
| | 1 | 239 | 12421 | 320107
| | 1 | 493 | 42865
| | 1
|
A168423 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 | 1 | 1 | 1
| | | | 1 | 7 | 21 | 51 | 113 | 239 | 493 | 1003
| | | | | 1 | 21 | 161 | 813 | 3361 | 12421 | 42865
| | | | | | 1 | 51 | 813 | 7631 | 53833 | 320107
| | | | | | | 1 | 113 | 3361 | 53833 | 607009
| | | | | | | | 1 | 239 | 12421 | 320107
| | | | | | | | | 1 | 493 | 42865
| | | | | | | | | | 1
| | | | | | | | | |
|
|
