n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 4 |
4 | 7 |
5 | 12 |
6 | 47 |
7 | 1170 |
8 | 687371 |
9 | 236241851618 |
10 | 2197451321740962081109754668237121 |
11 | 2414396155710550624720051944524837499100253655538086242554948251365 |
[1,2,4,7,12,47,1170,687371,236241851618, 2197451321740962081109754668237121, 24143961557105506247200519445248374991002536555380\ 86242554948251365] |