n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 0 |
3 | 1 |
4 | 0 |
5 | -3 |
6 | 8 |
7 | -31 |
8 | 72 |
9 | -195 |
10 | 448 |
11 | -1071 |
12 | 2416 |
13 | -5475 |
14 | 12120 |
15 | -26719 |
16 | 58232 |
17 | -126243 |
18 | 271824 |
19 | -582575 |
20 | 1242720 |
21 | -2640899 |
22 | 5592360 |
23 | -11806239 |
24 | 24855080 |
25 | -52195843 |
26 | 109362528 |
27 | -228667311 |
28 | 477218512 |
29 | -994205475 |
30 | 2067947128 |
31 | -4294967391 |
32 | 8908080216 |
[0,1,0,1,0,-3,8,-31,72,-195,448,-1071,2416,-5475, 12120,-26719,58232,-126243,271824,-582575,1242720, -2640899,5592360,-11806239,24855080,-52195843, 109362528,-228667311,477218512,-994205475, 2067947128,-4294967391,8908080216] |