n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 10 |
3 | 31 |
4 | 97 |
5 | 302 |
6 | 941 |
7 | 2931 |
8 | 9130 |
9 | 28439 |
10 | 88585 |
11 | 275934 |
12 | 859509 |
13 | 2677291 |
14 | 8339514 |
15 | 25976815 |
16 | 80915377 |
17 | 252043918 |
18 | 785093501 |
19 | 2445493667 |
20 | 7617486666 |
21 | 23727766663 |
22 | 73909799321 |
23 | 230222191294 |
24 | 717120839877 |
25 | 2233765112283 |
[1,3,10,31,97,302,941,2931,9130,28439,88585, 275934,859509,2677291,8339514,25976815,80915377, 252043918,785093501,2445493667,7617486666, 23727766663,73909799321,230222191294,717120839877, 2233765112283] |