n | a(n) |
---|---|
1 | 2 |
2 | 4 |
3 | 8 |
4 | 18 |
5 | 38 |
6 | 82 |
7 | 176 |
8 | 378 |
9 | 812 |
10 | 1744 |
11 | 3746 |
12 | 8046 |
13 | 17282 |
14 | 37120 |
15 | 79730 |
16 | 171252 |
17 | 367832 |
18 | 790066 |
19 | 1696982 |
20 | 3644946 |
21 | 7828976 |
22 | 16815850 |
23 | 36118748 |
24 | 77579424 |
25 | 166632770 |
26 | 357910366 |
27 | 768755330 |
28 | 1651208832 |
29 | 3546629858 |
30 | 7617802852 |
[2,4,8,18,38,82,176,378,812,1744,3746,8046,17282, 37120,79730,171252,367832,790066,1696982,3644946, 7828976,16815850,36118748,77579424,166632770, 357910366,768755330,1651208832,3546629858, 7617802852] |