n | a(n) |
---|---|
0 | 1 |
1 | -1 |
2 | 1 |
3 | -4 |
4 | 13 |
5 | -36 |
6 | 100 |
7 | -281 |
8 | 797 |
9 | -2281 |
10 | 6546 |
11 | -18778 |
12 | 53872 |
13 | -154662 |
14 | 444263 |
15 | -1276284 |
16 | 3665773 |
17 | -10524939 |
18 | 30203731 |
19 | -86624174 |
20 | 248257298 |
21 | -710882708 |
22 | 2033663952 |
23 | -5811660425 |
24 | 16588828304 |
25 | -47291077636 |
26 | 134630218334 |
27 | -382697080366 |
28 | 1086083438999 |
[1,-1,1,-4,13,-36,100,-281,797,-2281,6546,-18778, 53872,-154662,444263,-1276284,3665773,-10524939, 30203731,-86624174,248257298,-710882708, 2033663952,-5811660425,16588828304,-47291077636, 134630218334,-382697080366,1086083438999] |