n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 1 |
4 | 0 |
5 | 1 |
6 | 1 |
7 | 1 |
8 | 3 |
9 | 3 |
10 | 6 |
11 | 11 |
12 | 15 |
13 | 31 |
14 | 50 |
15 | 85 |
16 | 161 |
17 | 267 |
18 | 490 |
19 | 883 |
20 | 1548 |
21 | 2863 |
22 | 5127 |
23 | 9307 |
24 | 17116 |
25 | 31021 |
26 | 57123 |
27 | 104963 |
28 | 192699 |
29 | 356643 |
30 | 658034 |
31 | 1218517 |
32 | 2262079 |
33 | 4196895 |
34 | 7812028 |
35 | 14549655 |
36 | 27126118 |
37 | 50671255 |
38 | 94697293 |
39 | 177220411 |
40 | 332015747 |
[0,1,1,0,1,1,1,3,3,6,11,15,31,50,85,161,267,490, 883,1548,2863,5127,9307,17116,31021,57123,104963, 192699,356643,658034,1218517,2262079,4196895, 7812028,14549655,27126118,50671255,94697293, 177220411,332015747] |