n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 4 |
3 | 7 |
4 | 13 |
5 | 23 |
6 | 43 |
7 | 80 |
8 | 156 |
9 | 307 |
10 | 631 |
11 | 1319 |
12 | 2864 |
13 | 6347 |
14 | 14548 |
15 | 34096 |
16 | 82345 |
17 | 203466 |
18 | 516579 |
19 | 1341630 |
20 | 3572192 |
21 | 9723727 |
22 | 27086402 |
23 | 77076404 |
24 | 224114976 |
25 | 665107317 |
26 | 2014441159 |
27 | 6221618985 |
28 | 19589881224 |
29 | 62845129871 |
30 | 205344612882 |
[1,2,4,7,13,23,43,80,156,307,631,1319,2864,6347, 14548,34096,82345,203466,516579,1341630,3572192, 9723727,27086402,77076404,224114976,665107317, 2014441159,6221618985,19589881224,62845129871, 205344612882] |