A124821 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | -2 | | 1 |
| | | | | | | | 7 | | -5 | | 1 |
| | | | | | | -30 | | 25 | | -8 | | 1 |
| | | | | | 143 | | -130 | | 52 | | -11 | | 1 |
| | | | | -728 | | 700 | | -320 | | 88 | | -14 | | 1 |
| | | | 3876 | | -3876 | | 1938 | | -627 | | 133 | | -17 | | 1 |
| | | -21318 | | 21945 | | -11704 | | 4235 | | -1078 | | 187 | | -20 | | 1 |
| | 120175 | | -126500 | | 70840 | | -27830 | | 8050 | | -1700 |
|
A124821 as a square array
| 1 | -2 | 7 | -30 | 143 | -728 | 3876 | -21318 | 120175
| | 1 | -5 | 25 | -130 | 700 | -3876 | 21945 | -126500
| | 1 | -8 | 52 | -320 | 1938 | -11704 | 70840
| | 1 | -11 | 88 | -627 | 4235 | -27830
| | 1 | -14 | 133 | -1078 | 8050
| | 1 | -17 | 187 | -1700
| | 1 | -20
| | 1
|
A124821 as an upper right triangle
| 1 | -2 | 7 | -30 | 143 | -728 | 3876 | -21318 | 120175
| | 1 | -5 | 25 | -130 | 700 | -3876 | 21945 | -126500
| | | 1 | -8 | 52 | -320 | 1938 | -11704 | 70840
| | | | 1 | -11 | 88 | -627 | 4235 | -27830
| | | | | 1 | -14 | 133 | -1078 | 8050
| | | | | | 1 | -17 | 187 | -1700
| | | | | | | 1 | -20
| | | | | | | | 1
| | | | | | | |
|
|
