n | a(n) |
---|---|
1 | 0 |
2 | 2 |
3 | 4 |
4 | 10 |
5 | 10 |
6 | 38 |
7 | 26 |
8 | 94 |
9 | 102 |
10 | 278 |
11 | 214 |
12 | 1246 |
13 | 702 |
14 | 2798 |
15 | 4342 |
16 | 8926 |
17 | 8230 |
18 | 44222 |
19 | 29202 |
20 | 136030 |
21 | 176750 |
22 | 419870 |
23 | 381490 |
24 | 2150398 |
25 | 1678254 |
26 | 5593998 |
27 | 7461166 |
28 | 22553406 |
29 | 19175158 |
30 | 134391038 |
31 | 71585134 |
[0,2,4,10,10,38,26,94,102,278,214,1246,702,2798, 4342,8926,8230,44222,29202,136030,176750,419870, 381490,2150398,1678254,5593998,7461166,22553406, 19175158,134391038,71585134] |