login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A228130
as a simple table
n
a(n)
1
61
2
227
3
233
4
239
5
613
6
2213
7
7507
8
13691
[61,227,233,239,613,2213,7507,13691]