cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A199305 Palindromic primes in the sense of A007500 with digits '0', '1' and '5' only.

Table of values

n a(n)
1 5
2 11
3 101
4 151
5 1151
6 1511
7 10151
8 10501
9 11551
10 15101
11 15511
12 15551
13 100511
14 110051
15 115001
16 150011
17 150151
18 151051
19 1001551
20 1051051
21 1055501
22 1115551
23 1150151
24 1150511
25 1501501
26 1510511
27 1550551
28 1551001
29 1551551
30 1555111
31 10000511
32 10011101
33 10011511
34 10055011
35 10101551

List of values

[5, 11, 101, 151, 1151, 1511, 10151, 10501, 11551, 15101, 15511, 15551, 100511, 110051, 115001, 150011, 150151, 151051, 1001551, 1051051, 1055501, 1115551, 1150151, 1150511, 1501501, 1510511, 1550551, 1551001, 1551551, 1555111, 10000511, 10011101, 10011511, 10055011, 10101551]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.