n | a(n) |
---|---|
3 | 0 |
4 | 2 |
5 | 0 |
6 | 2 |
7 | 0 |
8 | 20 |
9 | 0 |
10 | 98 |
11 | 16 |
12 | 449 |
13 | 156 |
14 | 2150 |
15 | 1044 |
16 | 10733 |
17 | 7456 |
18 | 55044 |
19 | 51376 |
20 | 285758 |
21 | 326600 |
22 | 1533438 |
23 | 2069880 |
24 | 8522738 |
25 | 13055872 |
26 | 48293792 |
27 | 81208800 |
28 | 278713817 |
29 | 504476260 |
30 | 1639703044 |
31 | 3145675108 |
32 | 9791882149 |
33 | 19664927248 |
34 | 59147958828 |
[0,2,0,2,0,20,0,98,16,449,156,2150,1044,10733, 7456,55044,51376,285758,326600,1533438,2069880, 8522738,13055872,48293792,81208800,278713817, 504476260,1639703044,3145675108,9791882149, 19664927248,59147958828] |