n | a(n) |
---|---|
1 | 2 |
2 | 8 |
3 | 14 |
4 | 36 |
5 | 82 |
6 | 200 |
7 | 478 |
8 | 1156 |
9 | 2786 |
10 | 6728 |
11 | 16238 |
12 | 39204 |
13 | 94642 |
14 | 228488 |
15 | 551614 |
16 | 1331716 |
17 | 3215042 |
18 | 7761800 |
19 | 18738638 |
20 | 45239076 |
21 | 109216786 |
22 | 263672648 |
23 | 636562078 |
24 | 1536796804 |
25 | 3710155682 |
26 | 8957108168 |
27 | 21624372014 |
28 | 52205852196 |
29 | 126036076402 |
30 | 304278005000 |
[2,8,14,36,82,200,478,1156,2786,6728,16238,39204, 94642,228488,551614,1331716,3215042,7761800, 18738638,45239076,109216786,263672648,636562078, 1536796804,3710155682,8957108168,21624372014, 52205852196,126036076402,304278005000] |