n | a(n) |
---|---|
3 | 1 |
4 | 11 |
5 | 66 |
6 | 302 |
7 | 1191 |
8 | 4293 |
9 | 14608 |
10 | 47840 |
11 | 152637 |
12 | 478271 |
13 | 1479726 |
14 | 4537314 |
15 | 13824739 |
16 | 41932745 |
17 | 126781020 |
18 | 382439924 |
19 | 1151775897 |
20 | 3464764515 |
21 | 10414216090 |
22 | 31284590870 |
23 | 93941852511 |
24 | 282010106381 |
25 | 846416194536 |
26 | 2540053889352 |
27 | 7621839388981 |
28 | 22869007827143 |
[1,11,66,302,1191,4293,14608,47840,152637,478271, 1479726,4537314,13824739,41932745,126781020, 382439924,1151775897,3464764515,10414216090, 31284590870,93941852511,282010106381,846416194536, 2540053889352,7621839388981,22869007827143] |