A161628 formatted as a triangular array:
| | | | | | | | 1 | | | | | | | | |
| | | | | | | 0 | | -1 | | | | | | | |
| | | | | | 0 | | -2 | | 3 | | | | | | |
| | | | | 0 | | -3 | | 18 | | -16 | | | | | |
| | | | 0 | | -4 | | 72 | | -192 | | 125 | | | | |
| | | 0 | | -5 | | 240 | | -1440 | | 2500 | | -1296 | | | |
| | 0 | | -6 | | 720 | | -8640 | | 30000 | | -38880 | | 16807 | | |
| 0 | | -7 | | 2016 | | -45360 | | 280000 | | -680400 | | 705894 | | -262144 | |
| 0 | | -8 | | 5376 | | -217728 | | 2240000 | | -9072000 | | 16941456 | | -14680064 | | 4782969 |
A161628 formatted as a square array:
| 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| -1 | -2 | -3 | -4 | -5 | -6 | -7 | -8 | |
| 3 | 18 | 72 | 240 | 720 | 2016 | 5376 | | |
| -16 | -192 | -1440 | -8640 | -45360 | -217728 | | | |
| 125 | 2500 | 30000 | 280000 | 2240000 | | | | |
| -1296 | -38880 | -680400 | -9072000 | | | | | |
| 16807 | 705894 | 16941456 | | | | | | |
| -262144 | -14680064 | | | | | | | |
| 4782969 | | | | | | | | |
A161628 formatted as an upper right triangle:
| 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| -1 | -2 | -3 | -4 | -5 | -6 | -7 | -8 |
| | 3 | 18 | 72 | 240 | 720 | 2016 | 5376 |
| | | -16 | -192 | -1440 | -8640 | -45360 | -217728 |
| | | | 125 | 2500 | 30000 | 280000 | 2240000 |
| | | | | -1296 | -38880 | -680400 | -9072000 |
| | | | | | 16807 | 705894 | 16941456 |
| | | | | | | -262144 | -14680064 |
| | | | | | | | 4782969 |
|
