Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 1 |
7 | 5 |
8 | 9 |
9 | 24 |
10 | 33 |
11 | 92 |
12 | 207 |
13 | 751 |
14 | 1987 |
15 | 9135 |
16 | 27247 |
17 | 151575 |
18 | 553091 |
19 | 3687021 |
20 | 16183258 |
21 | 127736835 |
22 | 672115551 |
23 | 6393532548 |
24 | 40630854716 |
25 | 467493592708 |
[1,1,1,1,1,1,5,9,24,33,92,207,751,1987,9135,27247, 151575,553091,3687021,16183258,127736835, 672115551,6393532548,40630854716,467493592708] |