n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 1 |
4 | 2 |
5 | 2 |
6 | 1 |
7 | 2 |
8 | 8 |
9 | 17 |
10 | 22 |
11 | 22 |
12 | 33 |
13 | 78 |
14 | 156 |
15 | 233 |
16 | 298 |
17 | 442 |
18 | 833 |
19 | 1546 |
20 | 2464 |
21 | 3553 |
22 | 5390 |
23 | 9230 |
24 | 16161 |
25 | 26358 |
26 | 40404 |
27 | 62713 |
28 | 103298 |
29 | 174290 |
30 | 285505 |
31 | 451154 |
32 | 712184 |
33 | 1156145 |
34 | 1910086 |
35 | 3122374 |
36 | 5005089 |
37 | 7987806 |
38 | 12907980 |
39 | 21090185 |
40 | 34362394 |
41 | 55428010 |
[0,0,0,1,2,2,1,2,8,17,22,22,33,78,156,233,298,442, 833,1546,2464,3553,5390,9230,16161,26358,40404, 62713,103298,174290,285505,451154,712184,1156145, 1910086,3122374,5005089,7987806,12907980,21090185, 34362394,55428010] |