n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 4 |
3 | 0 |
4 | 12 |
5 | 0 |
6 | 28 |
7 | 0 |
8 | 59 |
9 | 0 |
10 | 116 |
11 | 0 |
12 | 228 |
13 | 0 |
14 | 460 |
15 | 0 |
16 | 968 |
17 | 0 |
18 | 2092 |
19 | 0 |
20 | 4564 |
21 | 0 |
22 | 9908 |
23 | 0 |
24 | 21309 |
25 | 0 |
26 | 45444 |
27 | 0 |
28 | 96484 |
29 | 0 |
30 | 204700 |
31 | 0 |
32 | 434999 |
33 | 0 |
34 | 926440 |
35 | 0 |
36 | 1976344 |
37 | 0 |
38 | 4218936 |
39 | 0 |
40 | 9005328 |
41 | 0 |
42 | 19212728 |
43 | 0 |
44 | 40970200 |
45 | 0 |
46 | 87341032 |
47 | 0 |
48 | 186180665 |
49 | 0 |
50 | 396899620 |
[1,0,4,0,12,0,28,0,59,0,116,0,228,0,460,0,968,0, 2092,0,4564,0,9908,0,21309,0,45444,0,96484,0, 204700,0,434999,0,926440,0,1976344,0,4218936,0, 9005328,0,19212728,0,40970200,0,87341032,0, 186180665,0,396899620] |