n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 2 |
3 | 3 |
4 | 5 |
5 | 12 |
6 | 21 |
7 | 42 |
8 | 83 |
9 | 159 |
10 | 313 |
11 | 609 |
12 | 1186 |
13 | 2316 |
14 | 4512 |
15 | 8799 |
16 | 17158 |
17 | 33450 |
18 | 65225 |
19 | 127173 |
20 | 247958 |
21 | 483471 |
22 | 942660 |
23 | 1837989 |
24 | 3583691 |
25 | 6987429 |
26 | 13624009 |
27 | 26563920 |
28 | 51793996 |
29 | 100987296 |
30 | 196903761 |
31 | 383920500 |
[1,0,2,3,5,12,21,42,83,159,313,609,1186,2316,4512, 8799,17158,33450,65225,127173,247958,483471, 942660,1837989,3583691,6987429,13624009,26563920, 51793996,100987296,196903761,383920500] |