n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | 3 |
3 | -7 |
4 | 17 |
5 | -41 |
6 | 99 |
7 | -239 |
8 | 577 |
9 | -1393 |
10 | 3363 |
11 | -8119 |
12 | 19601 |
13 | -47321 |
14 | 114243 |
15 | -275807 |
16 | 665857 |
17 | -1607521 |
18 | 3880899 |
19 | -9369319 |
20 | 22619537 |
21 | -54608393 |
22 | 131836323 |
23 | -318281039 |
24 | 768398401 |
25 | -1855077841 |
26 | 4478554083 |
27 | -10812186007 |
28 | 26102926097 |
29 | -63018038201 |
30 | 152139002499 |
[1,-1,3,-7,17,-41,99,-239,577,-1393,3363,-8119, 19601,-47321,114243,-275807,665857,-1607521, 3880899,-9369319,22619537,-54608393,131836323, -318281039,768398401,-1855077841,4478554083, -10812186007,26102926097,-63018038201, 152139002499] |