A049310 formatted as a triangular array:
| | | | | | | | | | | 1 | | | | | | | | | | | |
| | | | | | | | | | 0 | | 1 | | | | | | | | | | |
| | | | | | | | | -1 | | 0 | | 1 | | | | | | | | | |
| | | | | | | | 0 | | -2 | | 0 | | 1 | | | | | | | | |
| | | | | | | 1 | | 0 | | -3 | | 0 | | 1 | | | | | | | |
| | | | | | 0 | | 3 | | 0 | | -4 | | 0 | | 1 | | | | | | |
| | | | | -1 | | 0 | | 6 | | 0 | | -5 | | 0 | | 1 | | | | | |
| | | | 0 | | -4 | | 0 | | 10 | | 0 | | -6 | | 0 | | 1 | | | | |
| | | 1 | | 0 | | -10 | | 0 | | 15 | | 0 | | -7 | | 0 | | 1 | | | |
| | 0 | | 5 | | 0 | | -20 | | 0 | | 21 | | 0 | | -8 | | 0 | | 1 | | |
| -1 | | 0 | | 15 | | 0 | | -35 | | 0 | | 28 | | 0 | | -9 | | 0 | | 1 | |
| 0 | | -6 | | 0 | | 35 | | 0 | | -56 | | 0 | | 36 | | 0 | | -10 | | 0 | | 1 |
A049310 formatted as a square array:
| 1 | 0 | -1 | 0 | 1 | 0 | -1 | 0 | 1 | 0 | -1 | 0 |
| 1 | 0 | -2 | 0 | 3 | 0 | -4 | 0 | 5 | 0 | -6 | |
| 1 | 0 | -3 | 0 | 6 | 0 | -10 | 0 | 15 | 0 | | |
| 1 | 0 | -4 | 0 | 10 | 0 | -20 | 0 | 35 | | | |
| 1 | 0 | -5 | 0 | 15 | 0 | -35 | 0 | | | | |
| 1 | 0 | -6 | 0 | 21 | 0 | -56 | | | | | |
| 1 | 0 | -7 | 0 | 28 | 0 | | | | | | |
| 1 | 0 | -8 | 0 | 36 | | | | | | | |
| 1 | 0 | -9 | 0 | | | | | | | | |
| 1 | 0 | -10 | | | | | | | | | |
| 1 | 0 | | | | | | | | | | |
| 1 | | | | | | | | | | | |
A049310 formatted as an upper right triangle:
| 1 | 0 | -1 | 0 | 1 | 0 | -1 | 0 | 1 | 0 | -1 | 0 |
| 1 | 0 | -2 | 0 | 3 | 0 | -4 | 0 | 5 | 0 | -6 |
| | 1 | 0 | -3 | 0 | 6 | 0 | -10 | 0 | 15 | 0 |
| | | 1 | 0 | -4 | 0 | 10 | 0 | -20 | 0 | 35 |
| | | | 1 | 0 | -5 | 0 | 15 | 0 | -35 | 0 |
| | | | | 1 | 0 | -6 | 0 | 21 | 0 | -56 |
| | | | | | 1 | 0 | -7 | 0 | 28 | 0 |
| | | | | | | 1 | 0 | -8 | 0 | 36 |
| | | | | | | | 1 | 0 | -9 | 0 |
| | | | | | | | | 1 | 0 | -10 |
| | | | | | | | | | 1 | 0 |
| | | | | | | | | | | 1 |
|