n | a(n) |
---|---|
0 | 0 |
1 | 2 |
2 | 34 |
3 | 250 |
4 | 1274 |
5 | 5274 |
6 | 19098 |
7 | 63002 |
8 | 194074 |
9 | 567322 |
10 | 1591322 |
11 | 4317210 |
12 | 11395098 |
13 | 29392922 |
14 | 74350618 |
15 | 184942618 |
16 | 453378074 |
17 | 1097334810 |
18 | 2626158618 |
19 | 6222250010 |
20 | 14610858010 |
21 | 34032582682 |
22 | 78693531674 |
23 | 180757725210 |
24 | 412685959194 |
[0,2,34,250,1274,5274,19098,63002,194074,567322, 1591322,4317210,11395098,29392922,74350618, 184942618,453378074,1097334810,2626158618, 6222250010,14610858010,34032582682,78693531674, 180757725210,412685959194] |