n | a(n) |
---|---|
4 | 1 |
5 | 2 |
6 | 2 |
7 | 6 |
8 | 10 |
9 | 20 |
10 | 41 |
11 | 79 |
12 | 146 |
13 | 285 |
14 | 538 |
15 | 1039 |
16 | 1982 |
17 | 3812 |
18 | 7272 |
19 | 13961 |
20 | 26686 |
21 | 51161 |
22 | 97865 |
23 | 187518 |
24 | 358835 |
25 | 687327 |
26 | 1315616 |
27 | 2519472 |
28 | 4823116 |
29 | 9235610 |
30 | 17681264 |
31 | 33855310 |
32 | 64817361 |
33 | 124105590 |
34 | 237610012 |
35 | 454943624 |
36 | 871035486 |
37 | 1667726103 |
38 | 3193049603 |
[1,2,2,6,10,20,41,79,146,285,538,1039,1982,3812, 7272,13961,26686,51161,97865,187518,358835,687327, 1315616,2519472,4823116,9235610,17681264,33855310, 64817361,124105590,237610012,454943624,871035486, 1667726103,3193049603] |