n | a(n) |
---|---|
4 | 0 |
5 | 1 |
6 | 2 |
7 | 5 |
8 | 10 |
9 | 21 |
10 | 41 |
11 | 85 |
12 | 167 |
13 | 345 |
14 | 680 |
15 | 1421 |
16 | 2823 |
17 | 5953 |
18 | 11902 |
19 | 25341 |
20 | 50993 |
21 | 109409 |
22 | 221372 |
23 | 478189 |
24 | 972346 |
25 | 2112181 |
26 | 4313451 |
27 | 9415165 |
28 | 19301199 |
29 | 42303241 |
30 | 87015978 |
31 | 191398741 |
32 | 394888368 |
33 | 871297141 |
34 | 1802488991 |
35 | 3987998101 |
36 | 8270169571 |
37 | 18342194721 |
[0,1,2,5,10,21,41,85,167,345,680,1421,2823,5953, 11902,25341,50993,109409,221372,478189,972346, 2112181,4313451,9415165,19301199,42303241, 87015978,191398741,394888368,871297141,1802488991, 3987998101,8270169571,18342194721] |