n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 4 |
4 | 10 |
5 | 22 |
6 | 47 |
7 | 97 |
8 | 197 |
9 | 397 |
10 | 797 |
11 | 1597 |
12 | 3198 |
13 | 6400 |
14 | 12804 |
15 | 25612 |
16 | 51228 |
17 | 102460 |
18 | 204924 |
19 | 409852 |
20 | 819708 |
21 | 1639420 |
22 | 3278844 |
23 | 6557692 |
24 | 13115389 |
25 | 26230783 |
26 | 52461571 |
27 | 104923147 |
28 | 209846299 |
29 | 419692603 |
30 | 839385211 |
31 | 1678770427 |
[1,1,4,10,22,47,97,197,397,797,1597,3198,6400, 12804,25612,51228,102460,204924,409852,819708, 1639420,3278844,6557692,13115389,26230783, 52461571,104923147,209846299,419692603,839385211, 1678770427] |