n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | -1 |
3 | -6 |
4 | -19 |
5 | -20 |
6 | 155 |
7 | 1190 |
8 | 6617 |
9 | 44664 |
10 | 208375 |
11 | -904398 |
12 | -18752699 |
13 | -19097052 |
14 | 694693779 |
15 | -17424099810 |
16 | -291885915727 |
17 | 3147952642416 |
18 | 73814350009583 |
19 | -859299092152342 |
20 | -22448554968159587 |
[1,0,-1,-6,-19,-20,155,1190,6617,44664,208375, -904398,-18752699,-19097052,694693779, -17424099810,-291885915727,3147952642416, 73814350009583,-859299092152342, -22448554968159587] |