n | a(n) |
---|---|
1 | 1 |
2 | 0 |
3 | 1 |
4 | 0 |
5 | 2 |
6 | -1 |
7 | 5 |
8 | -7 |
9 | 15 |
10 | -35 |
11 | 57 |
12 | -155 |
13 | 262 |
14 | -664 |
15 | 1297 |
16 | -2910 |
17 | 6437 |
18 | -13428 |
19 | 31461 |
20 | -65137 |
21 | 152576 |
22 | -325838 |
23 | 744223 |
24 | -1649943 |
25 | 3685869 |
26 | -8376976 |
27 | 18574146 |
28 | -42579093 |
29 | 94912298 |
30 | -217177891 |
31 | 489321856 |
32 | -1114542791 |
33 | 2535640016 |
34 | -5761630456 |
35 | 13184657747 |
36 | -29989008137 |
[1,0,1,0,2,-1,5,-7,15,-35,57,-155,262,-664,1297, -2910,6437,-13428,31461,-65137,152576,-325838, 744223,-1649943,3685869,-8376976,18574146, -42579093,94912298,-217177891,489321856, -1114542791,2535640016,-5761630456,13184657747, -29989008137] |