login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A378052
as a simple table
n
a(n)
1
1
2
11
3
19
4
31
5
41
6
47
7
53
8
59
9
77
10
89
11
133
12
247
13
253
14
347
[1,11,19,31,41,47,53,59,77,89,133,247,253,347]
