Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 4 |
3 | 15 |
4 | 118 |
5 | 1410 |
6 | 30190 |
7 | 1180218 |
8 | 81842153 |
9 | 10130408182 |
10 | 2211726542134 |
[1,4,15,118,1410,30190,1180218,81842153, 10130408182,2211726542134] |