n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 1 |
4 | 3 |
5 | 9 |
6 | 21 |
7 | 49 |
8 | 106 |
9 | 226 |
10 | 470 |
11 | 968 |
12 | 1971 |
13 | 3995 |
14 | 8057 |
15 | 16208 |
16 | 32537 |
17 | 65239 |
18 | 130687 |
19 | 261654 |
20 | 523661 |
21 | 1047784 |
22 | 2096150 |
23 | 4193049 |
24 | 8387033 |
25 | 16775258 |
26 | 33551996 |
27 | 67105854 |
28 | 134214010 |
29 | 268430891 |
30 | 536865308 |
31 | 1073734982 |
32 | 2147475299 |
33 | 4294957153 |
34 | 8589922282 |
[0,0,0,1,3,9,21,49,106,226,470,968,1971,3995,8057, 16208,32537,65239,130687,261654,523661,1047784, 2096150,4193049,8387033,16775258,33551996, 67105854,134214010,268430891,536865308,1073734982, 2147475299,4294957153,8589922282] |