Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 2 |
4 | 3 |
5 | 5 |
6 | 7 |
7 | 109 |
8 | 1009 |
9 | 10009 |
10 | 1000000009 |
11 | 1000000000000000009 |
12 | 10000000000000000000009 |
[0,1,2,3,5,7,109,1009,10009,1000000009, 1000000000000000009,10000000000000000000009] |