n | a(n) |
---|---|
0 | 2 |
1 | -1 |
2 | 4 |
3 | 0 |
4 | 12 |
5 | 4 |
6 | 44 |
7 | 20 |
8 | 172 |
9 | 84 |
10 | 684 |
11 | 340 |
12 | 2732 |
13 | 1364 |
14 | 10924 |
15 | 5460 |
16 | 43692 |
17 | 21844 |
18 | 174764 |
19 | 87380 |
20 | 699052 |
21 | 349524 |
22 | 2796204 |
23 | 1398100 |
24 | 11184812 |
25 | 5592404 |
26 | 44739244 |
27 | 22369620 |
28 | 178956972 |
29 | 89478484 |
30 | 715827884 |
31 | 357913940 |
32 | 2863311532 |
33 | 1431655764 |
34 | 11453246124 |
[2,-1,4,0,12,4,44,20,172,84,684,340,2732,1364, 10924,5460,43692,21844,174764,87380,699052,349524, 2796204,1398100,11184812,5592404,44739244, 22369620,178956972,89478484,715827884,357913940, 2863311532,1431655764,11453246124] |