n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 1 |
7 | 2 |
8 | 3 |
9 | 4 |
10 | 5 |
11 | 7 |
12 | 11 |
13 | 17 |
14 | 25 |
15 | 35 |
16 | 48 |
17 | 66 |
18 | 92 |
19 | 129 |
20 | 180 |
21 | 249 |
22 | 342 |
23 | 468 |
24 | 640 |
25 | 875 |
26 | 1195 |
27 | 1629 |
28 | 2216 |
29 | 3009 |
30 | 4080 |
31 | 5526 |
32 | 7477 |
33 | 10107 |
34 | 13649 |
35 | 18415 |
36 | 24823 |
37 | 33433 |
38 | 44995 |
39 | 60513 |
40 | 81330 |
41 | 109241 |
42 | 146644 |
43 | 196742 |
44 | 263813 |
45 | 353570 |
46 | 473640 |
47 | 634201 |
[0,0,0,0,0,0,1,2,3,4,5,7,11,17,25,35,48,66,92,129, 180,249,342,468,640,875,1195,1629,2216,3009,4080, 5526,7477,10107,13649,18415,24823,33433,44995, 60513,81330,109241,146644,196742,263813,353570, 473640,634201] |