n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | -2 |
4 | 4 |
5 | -8 |
6 | 16 |
7 | -32 |
8 | 64 |
9 | -127 |
10 | 246 |
11 | -456 |
12 | 792 |
13 | -1254 |
14 | 1716 |
15 | -1716 |
16 | 1 |
17 | 6418 |
18 | -24156 |
19 | 67080 |
20 | -162924 |
21 | 364608 |
22 | -767976 |
23 | 1535953 |
24 | -2922702 |
25 | 5273624 |
26 | -8934120 |
27 | 13904190 |
28 | -18874260 |
29 | 18874260 |
30 | 1 |
31 | -71705866 |
32 | 272491892 |
33 | -763189064 |
34 | 1865459352 |
35 | -4190875872 |
[1,1,-2,4,-8,16,-32,64,-127,246,-456,792,-1254, 1716,-1716,1,6418,-24156,67080,-162924,364608, -767976,1535953,-2922702,5273624,-8934120, 13904190,-18874260,18874260,1,-71705866,272491892, -763189064,1865459352,-4190875872] |