A098494 formatted as a triangular array:
| | | | | | | 1 | | | | | | | |
| | | | | | 1 | | -1 | | | | | | |
| | | | | 1 | | -5 | | 4 | | | | | |
| | | | 1 | | -12 | | 35 | | -30 | | | | |
| | | 1 | | -22 | | 143 | | -362 | | 312 | | | |
| | 1 | | -35 | | 405 | | -2065 | | 4814 | | -4200 | | |
| 1 | | -51 | | 925 | | -7965 | | 35434 | | -78744 | | 69120 | |
| 1 | | -70 | | 1834 | | -24010 | | 173929 | | -709240 | | 1525236 | | -1345680 |
A098494 formatted as a square array:
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| -1 | -5 | -12 | -22 | -35 | -51 | -70 | |
| 4 | 35 | 143 | 405 | 925 | 1834 | | |
| -30 | -362 | -2065 | -7965 | -24010 | | | |
| 312 | 4814 | 35434 | 173929 | | | | |
| -4200 | -78744 | -709240 | | | | | |
| 69120 | 1525236 | | | | | | |
| -1345680 | | | | | | | |
A098494 formatted as an upper right triangle:
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| -1 | -5 | -12 | -22 | -35 | -51 | -70 |
| | 4 | 35 | 143 | 405 | 925 | 1834 |
| | | -30 | -362 | -2065 | -7965 | -24010 |
| | | | 312 | 4814 | 35434 | 173929 |
| | | | | -4200 | -78744 | -709240 |
| | | | | | 69120 | 1525236 |
| | | | | | | -1345680 |
|