n | a(n) |
---|---|
2 | 2 |
3 | 5 |
4 | 10 |
5 | 20 |
6 | 38 |
7 | 74 |
8 | 142 |
9 | 278 |
10 | 542 |
11 | 1070 |
12 | 2110 |
13 | 4190 |
14 | 8318 |
15 | 16574 |
16 | 33022 |
17 | 65918 |
18 | 131582 |
19 | 262910 |
20 | 525310 |
21 | 1050110 |
22 | 2099198 |
23 | 4197374 |
24 | 8392702 |
25 | 16783358 |
26 | 33562622 |
27 | 67121150 |
28 | 134234110 |
[2,5,10,20,38,74,142,278,542,1070,2110,4190,8318, 16574,33022,65918,131582,262910,525310,1050110, 2099198,4197374,8392702,16783358,33562622, 67121150,134234110] |