n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 1 |
3 | 0 |
4 | 1 |
5 | 1 |
6 | 2 |
7 | 3 |
8 | 6 |
9 | 10 |
10 | 19 |
11 | 35 |
12 | 67 |
13 | 127 |
14 | 248 |
15 | 482 |
16 | 952 |
17 | 1885 |
18 | 3765 |
19 | 7546 |
20 | 15221 |
21 | 30802 |
22 | 62620 |
23 | 127702 |
24 | 261335 |
25 | 536278 |
26 | 1103600 |
27 | 2276499 |
28 | 4706985 |
29 | 9752585 |
30 | 20247033 |
31 | 42110393 |
32 | 87733197 |
33 | 183074638 |
34 | 382599946 |
35 | 800701320 |
36 | 1677922740 |
37 | 3520581954 |
[0,0,1,0,1,1,2,3,6,10,19,35,67,127,248,482,952, 1885,3765,7546,15221,30802,62620,127702,261335, 536278,1103600,2276499,4706985,9752585,20247033, 42110393,87733197,183074638,382599946,800701320, 1677922740,3520581954] |