n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | -3 |
3 | 9 |
4 | -33 |
5 | 126 |
6 | -513 |
7 | 2214 |
8 | -9876 |
9 | 45045 |
10 | -209493 |
11 | 990198 |
12 | -4741191 |
13 | 22946247 |
14 | -112079214 |
15 | 551793303 |
16 | -2735330190 |
17 | 13641353118 |
18 | -68394016548 |
19 | 344539469889 |
20 | -1743035351958 |
21 | 8851923849123 |
22 | -45110440515753 |
23 | 230615809867476 |
24 | -1182376529280117 |
25 | 6078184963674498 |
26 | -31322206517658453 |
27 | 161774639164275552 |
28 | -837290923919381322 |
[1,3,-3,9,-33,126,-513,2214,-9876,45045,-209493, 990198,-4741191,22946247,-112079214,551793303, -2735330190,13641353118,-68394016548,344539469889, -1743035351958,8851923849123,-45110440515753, 230615809867476,-1182376529280117, 6078184963674498,-31322206517658453, 161774639164275552,-837290923919381322] |