A158613 as a triangular array
| | | | | | | | 1 |
| | | | | | | | 1 | | -1 |
| | | | | | | -1 | | 1 | | -2 |
| | | | | | -4 | | 1 | | -3 | | -9 |
| | | | | 1 | | -4 | | -16 | | 1 | | -5 |
| | | | -25 | | 1 | | -6 | | -36 | | 1 | | -7 |
| | | -49 | | 1 | | -8 | | -64 | | 1 | | -9 | | -81 |
| | 1 | | -10 | | -100 |
|
A158613 as a square array
| 1 | 1 | -1 | -4 | 1 | -25 | -49 | 1
| | -1 | 1 | 1 | -4 | 1 | 1 | -10
| | -2 | -3 | -16 | -6 | -8 | -100
| | -9 | 1 | -36 | -64
| | -5 | 1 | 1
| | -7 | -9
| | -81
|
A158613 as an upper right triangle
| 1 | 1 | -1 | -4 | 1 | -25 | -49 | 1
| | -1 | 1 | 1 | -4 | 1 | 1 | -10
| | | -2 | -3 | -16 | -6 | -8 | -100
| | | | -9 | 1 | -36 | -64
| | | | | -5 | 1 | 1
| | | | | | -7 | -9
| | | | | | | -81
| | | | | | |
|
|
