Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 4 |
3 | 18 |
4 | 123 |
5 | 2089 |
6 | 75405 |
7 | 4726521 |
8 | 569899203 |
9 | 132364711390 |
10 | 58207830722829 |
11 | 48518983884550645 |
12 | 77042834793060609587 |
[1,4,18,123,2089,75405,4726521,569899203, 132364711390,58207830722829,48518983884550645, 77042834793060609587] |