n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 3 |
4 | 7 |
5 | 11 |
6 | 31 |
7 | 57 |
8 | 148 |
9 | 312 |
10 | 754 |
11 | 1559 |
12 | 3844 |
13 | 7893 |
14 | 17766 |
15 | 37935 |
16 | 83667 |
17 | 170165 |
18 | 369698 |
19 | 743543 |
20 | 1566258 |
21 | 3154006 |
22 | 6424822 |
23 | 12629174 |
24 | 25652807 |
25 | 49802454 |
26 | 98130924 |
27 | 189175310 |
28 | 368095797 |
[1,2,3,7,11,31,57,148,312,754,1559,3844,7893, 17766,37935,83667,170165,369698,743543,1566258, 3154006,6424822,12629174,25652807,49802454, 98130924,189175310,368095797] |