n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 0 |
4 | 1 |
5 | 2 |
6 | 1 |
7 | 3 |
8 | 7 |
9 | 10 |
10 | 17 |
11 | 33 |
12 | 56 |
13 | 102 |
14 | 197 |
15 | 359 |
16 | 617 |
17 | 1128 |
18 | 2182 |
19 | 3966 |
20 | 7488 |
21 | 14538 |
22 | 26766 |
23 | 51232 |
24 | 95325 |
25 | 174742 |
26 | 335555 |
27 | 657893 |
28 | 1266230 |
29 | 2485507 |
30 | 4793512 |
31 | 8521770 |
32 | 16519171 |
33 | 31580739 |
34 | 62246045 |
35 | 116079942 |
36 | 229064794 |
37 | 440508973 |
38 | 848388680 |
[1,1,0,1,2,1,3,7,10,17,33,56,102,197,359,617,1128, 2182,3966,7488,14538,26766,51232,95325,174742, 335555,657893,1266230,2485507,4793512,8521770, 16519171,31580739,62246045,116079942,229064794, 440508973,848388680] |