n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | -9 |
3 | -19 |
4 | 71 |
5 | 261 |
6 | -449 |
7 | -3059 |
8 | 1431 |
9 | 32021 |
10 | 17711 |
11 | -302499 |
12 | -479609 |
13 | 2545381 |
14 | 7341471 |
15 | -18112339 |
16 | -91527049 |
17 | 89596341 |
18 | 1004866831 |
19 | 108903421 |
20 | -9939764889 |
21 | -11028799099 |
22 | 88368849791 |
23 | 198656840781 |
24 | -685031657129 |
25 | -2671600064939 |
[1,1,-9,-19,71,261,-449,-3059,1431,32021,17711, -302499,-479609,2545381,7341471,-18112339, -91527049,89596341,1004866831,108903421, -9939764889,-11028799099,88368849791,198656840781, -685031657129,-2671600064939] |