n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 0 |
3 | -2 |
4 | 7 |
5 | 51 |
6 | -239 |
7 | -2435 |
8 | 16353 |
9 | 209377 |
10 | -1826099 |
11 | -28232379 |
12 | 303020125 |
13 | 5494172893 |
14 | -70032035163 |
15 | -1457369472299 |
16 | 21512472563281 |
17 | 505400696581905 |
18 | -8478758871011807 |
19 | -221971772323923263 |
20 | 4171251104170567101 |
21 | 120416449897739144941 |
[1,1,0,-2,7,51,-239,-2435,16353,209377,-1826099, -28232379,303020125,5494172893,-70032035163, -1457369472299,21512472563281,505400696581905, -8478758871011807,-221971772323923263, 4171251104170567101,120416449897739144941] |