Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 7 |
3 | 45 |
4 | 161 |
5 | 899 |
6 | 4023 |
7 | 19387 |
8 | 92169 |
9 | 436539 |
10 | 2077281 |
11 | 9861263 |
12 | 46848707 |
13 | 222547181 |
14 | 1057107041 |
15 | 5021579939 |
16 | 23853406065 |
17 | 113308835575 |
18 | 538241104209 |
19 | 2556757711375 |
20 | 12145141483565 |
21 | 57691981461499 |
22 | 274049091332625 |
[1,7,45,161,899,4023,19387,92169,436539,2077281, 9861263,46848707,222547181,1057107041,5021579939, 23853406065,113308835575,538241104209, 2556757711375,12145141483565,57691981461499, 274049091332625] |