n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 3 |
4 | 6 |
5 | 11 |
6 | 23 |
7 | 48 |
8 | 114 |
9 | 293 |
10 | 869 |
11 | 2963 |
12 | 12066 |
13 | 58933 |
14 | 347498 |
15 | 2455693 |
16 | 20592932 |
17 | 202724920 |
18 | 2322206466 |
19 | 30743624324 |
20 | 468026657815 |
21 | 8161170076257 |
[1,2,3,6,11,23,48,114,293,869,2963,12066,58933, 347498,2455693,20592932,202724920,2322206466, 30743624324,468026657815,8161170076257] |