n | a(n) |
---|---|
1 | 2 |
2 | 4 |
3 | 8 |
4 | 14 |
5 | 20 |
6 | 38 |
7 | 70 |
8 | 134 |
9 | 240 |
10 | 442 |
11 | 814 |
12 | 1502 |
13 | 2756 |
14 | 5070 |
15 | 9326 |
16 | 17158 |
17 | 31552 |
18 | 58034 |
19 | 106742 |
20 | 196334 |
21 | 361108 |
22 | 664182 |
23 | 1221622 |
24 | 2246918 |
25 | 4132720 |
26 | 7601258 |
27 | 13980894 |
28 | 25714878 |
29 | 47297028 |
30 | 86992798 |
[2,4,8,14,20,38,70,134,240,442,814,1502,2756,5070, 9326,17158,31552,58034,106742,196334,361108, 664182,1221622,2246918,4132720,7601258,13980894, 25714878,47297028,86992798] |