n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 2 |
3 | 3 |
4 | 3 |
5 | 7 |
6 | 11 |
7 | 20 |
8 | 31 |
9 | 47 |
10 | 92 |
11 | 162 |
12 | 312 |
13 | 632 |
14 | 1235 |
15 | 2460 |
16 | 4844 |
17 | 9665 |
18 | 19335 |
19 | 38727 |
20 | 77569 |
21 | 155729 |
22 | 310405 |
23 | 620596 |
24 | 1240580 |
25 | 2481645 |
26 | 4966229 |
27 | 9926596 |
28 | 19855760 |
29 | 39717367 |
30 | 79428417 |
[1,2,2,3,3,7,11,20,31,47,92,162,312,632,1235,2460, 4844,9665,19335,38727,77569,155729,310405,620596, 1240580,2481645,4966229,9926596,19855760,39717367, 79428417] |