n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 0 |
4 | 1 |
5 | -2 |
6 | 5 |
7 | -12 |
8 | 28 |
9 | -63 |
10 | 137 |
11 | -290 |
12 | 604 |
13 | -1253 |
14 | 2617 |
15 | -5537 |
16 | 11870 |
17 | -25666 |
18 | 55617 |
19 | -120103 |
20 | 257582 |
21 | -548119 |
22 | 1158437 |
23 | -2437114 |
24 | 5117165 |
25 | -10748530 |
26 | 22621055 |
27 | -47728657 |
28 | 100932549 |
29 | -213750621 |
30 | 452855190 |
31 | -958925784 |
32 | 2028187595 |
33 | -4283531490 |
34 | 9033779224 |
[1,1,1,0,1,-2,5,-12,28,-63,137,-290,604,-1253, 2617,-5537,11870,-25666,55617,-120103,257582, -548119,1158437,-2437114,5117165,-10748530, 22621055,-47728657,100932549,-213750621,452855190, -958925784,2028187595,-4283531490,9033779224] |