n | a(n) |
---|---|
0 | 1 |
1 | -2 |
2 | 5 |
3 | -12 |
4 | 29 |
5 | -70 |
6 | 169 |
7 | -408 |
8 | 985 |
9 | -2378 |
10 | 5741 |
11 | -13860 |
12 | 33461 |
13 | -80782 |
14 | 195025 |
15 | -470832 |
16 | 1136689 |
17 | -2744210 |
18 | 6625109 |
19 | -15994428 |
20 | 38613965 |
21 | -93222358 |
22 | 225058681 |
23 | -543339720 |
24 | 1311738121 |
25 | -3166815962 |
26 | 7645370045 |
27 | -18457556052 |
28 | 44560482149 |
29 | -107578520350 |
30 | 259717522849 |
[1,-2,5,-12,29,-70,169,-408,985,-2378,5741,-13860, 33461,-80782,195025,-470832,1136689,-2744210, 6625109,-15994428,38613965,-93222358,225058681, -543339720,1311738121,-3166815962,7645370045, -18457556052,44560482149,-107578520350, 259717522849] |