n | a(n) |
---|---|
1 | 2 |
2 | 6 |
3 | 17 |
4 | 47 |
5 | 121 |
6 | 291 |
7 | 665 |
8 | 1467 |
9 | 3162 |
10 | 6718 |
11 | 14156 |
12 | 29702 |
13 | 62190 |
14 | 130060 |
15 | 271760 |
16 | 567488 |
17 | 1184917 |
18 | 2475907 |
19 | 5181798 |
20 | 10869647 |
21 | 22858188 |
22 | 48178441 |
23 | 101712259 |
24 | 214900119 |
25 | 454006064 |
26 | 958316150 |
27 | 2019797853 |
28 | 4248758319 |
29 | 8917387482 |
30 | 18670242203 |
31 | 38989676130 |
[2,6,17,47,121,291,665,1467,3162,6718,14156,29702, 62190,130060,271760,567488,1184917,2475907, 5181798,10869647,22858188,48178441,101712259, 214900119,454006064,958316150,2019797853, 4248758319,8917387482,18670242203,38989676130] |