n | a(n) |
---|---|
1 | 1 |
2 | -1 |
3 | 1 |
4 | -1 |
5 | 0 |
6 | 4 |
7 | -16 |
8 | 46 |
9 | -111 |
10 | 228 |
11 | -379 |
12 | 389 |
13 | 393 |
14 | -3810 |
15 | 14169 |
16 | -39735 |
17 | 91861 |
18 | -172623 |
19 | 225378 |
20 | 10246 |
21 | -1347935 |
22 | 5843671 |
23 | -17779693 |
24 | 43942706 |
25 | -89033228 |
26 | 133666868 |
27 | -64088688 |
28 | -508956437 |
29 | 2636138606 |
30 | -8664888857 |
31 | 22760994036 |
32 | -49429259575 |
[1,-1,1,-1,0,4,-16,46,-111,228,-379,389,393,-3810, 14169,-39735,91861,-172623,225378,10246,-1347935, 5843671,-17779693,43942706,-89033228,133666868, -64088688,-508956437,2636138606,-8664888857, 22760994036,-49429259575] |