A121922 as a triangular array
| | | | | | | | | | -1 |
| | | | | | | | | | 1 | | -3 |
| | | | | | | | | -1 | | 4 | | -11 |
| | | | | | | | 1 | | -5 | | 18 | | -50 |
| | | | | | | -1 | | 6 | | -27 | | 96 | | -274 |
| | | | | | 1 | | -7 | | 38 | | -168 | | 600 | | -1764 |
| | | | | -1 | | 8 | | -51 | | 272 | | -1200 | | 4320 | | -13068 |
| | | | 1 | | -9 | | 66 | | -414 | | 2200 | | -9720 | | 35280 | | -109584 |
| | | -1 | | 10 | | -83 | | 600 | | -3750 | | 19920 | | -88200 | | 322560 | | -1026576 |
| | 1 | | -11 | | 102 | | -836 | | 6024 | | -37620 | | 199920 | | -887040 | | 3265920 | | -10628640 |
|
A121922 as a square array
| -1 | 1 | -1 | 1 | -1 | 1 | -1 | 1 | -1 | 1
| | -3 | 4 | -5 | 6 | -7 | 8 | -9 | 10 | -11
| | -11 | 18 | -27 | 38 | -51 | 66 | -83 | 102
| | -50 | 96 | -168 | 272 | -414 | 600 | -836
| | -274 | 600 | -1200 | 2200 | -3750 | 6024
| | -1764 | 4320 | -9720 | 19920 | -37620
| | -13068 | 35280 | -88200 | 199920
| | -109584 | 322560 | -887040
| | -1026576 | 3265920
| | -10628640
|
A121922 as an upper right triangle
| -1 | 1 | -1 | 1 | -1 | 1 | -1 | 1 | -1 | 1
| | -3 | 4 | -5 | 6 | -7 | 8 | -9 | 10 | -11
| | | -11 | 18 | -27 | 38 | -51 | 66 | -83 | 102
| | | | -50 | 96 | -168 | 272 | -414 | 600 | -836
| | | | | -274 | 600 | -1200 | 2200 | -3750 | 6024
| | | | | | -1764 | 4320 | -9720 | 19920 | -37620
| | | | | | | -13068 | 35280 | -88200 | 199920
| | | | | | | | -109584 | 322560 | -887040
| | | | | | | | | -1026576 | 3265920
| | | | | | | | | | -10628640
|
|
