login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
Hints
(Greetings from
The On-Line Encyclopedia of Integer Sequences
!)
A157478
as a simple table
n
a(n)
1
5
2
11
3
17
4
37
5
53
6
89
7
107
8
127
9
179
10
197
11
223
12
233
13
257
14
263
15
401
16
409
17
421
18
449
19
457
20
661
[5,11,17,37,53,89,107,127,179,197,223,233,257,263, 401,409,421,449,457,661]