n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 2 |
4 | 4 |
5 | 9 |
6 | 21 |
7 | 47 |
8 | 101 |
9 | 212 |
10 | 440 |
11 | 907 |
12 | 1859 |
13 | 3791 |
14 | 7699 |
15 | 15586 |
16 | 31476 |
17 | 63445 |
18 | 127689 |
19 | 256671 |
20 | 515433 |
21 | 1034248 |
22 | 2073968 |
23 | 4156791 |
24 | 8327911 |
25 | 16679007 |
26 | 33395527 |
27 | 66851750 |
28 | 133801708 |
29 | 267762321 |
30 | 535781757 |
31 | 1071979535 |
[0,1,2,4,9,21,47,101,212,440,907,1859,3791,7699, 15586,31476,63445,127689,256671,515433,1034248, 2073968,4156791,8327911,16679007,33395527, 66851750,133801708,267762321,535781757,1071979535] |