n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 1 |
3 | 1 |
4 | 3 |
5 | 4 |
6 | 9 |
7 | 14 |
8 | 28 |
9 | 47 |
10 | 89 |
11 | 155 |
12 | 286 |
13 | 507 |
14 | 924 |
15 | 1652 |
16 | 2993 |
17 | 5373 |
18 | 9707 |
19 | 17460 |
20 | 31501 |
21 | 56714 |
22 | 102256 |
23 | 184183 |
24 | 331981 |
25 | 598091 |
26 | 1077870 |
27 | 1942071 |
28 | 3499720 |
29 | 6305992 |
30 | 11363361 |
31 | 20475625 |
32 | 36896355 |
33 | 66484244 |
34 | 119801329 |
35 | 215873462 |
36 | 388991876 |
37 | 700937471 |
[0,0,1,1,3,4,9,14,28,47,89,155,286,507,924,1652, 2993,5373,9707,17460,31501,56714,102256,184183, 331981,598091,1077870,1942071,3499720,6305992, 11363361,20475625,36896355,66484244,119801329, 215873462,388991876,700937471] |