n | a(n) |
---|---|
2 | 1 |
3 | 4 |
4 | 10 |
5 | 23 |
6 | 47 |
7 | 100 |
8 | 202 |
9 | 403 |
10 | 798 |
11 | 1592 |
12 | 3171 |
13 | 6293 |
14 | 12578 |
15 | 24987 |
16 | 49796 |
17 | 99190 |
18 | 197699 |
19 | 394227 |
20 | 785804 |
21 | 1567419 |
22 | 3127966 |
23 | 6242519 |
24 | 12464093 |
25 | 24887586 |
26 | 49698098 |
27 | 99261034 |
28 | 198285886 |
[1,4,10,23,47,100,202,403,798,1592,3171,6293, 12578,24987,49796,99190,197699,394227,785804, 1567419,3127966,6242519,12464093,24887586, 49698098,99261034,198285886] |