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.

A057878 Primes with 2 distinct digits that remain prime (no leading zeros allowed) after deleting all occurrences of its digits d.

Table of values

n a(n)
1 23
2 37
3 53
4 73
5 113
6 131
7 151
8 211
9 311
10 11111111111111111131
11 11111111111111117111
12 11111111111131111111
13 11111111131111111111
14 111111111111111111111113
15 111111111111111112111111
16 111111111111111121111111
17 111111111112111111111111
18 111111115111111111111111

List of values

[23, 37, 53, 73, 113, 131, 151, 211, 311, 11111111111111111131, 11111111111111117111, 11111111111131111111, 11111111131111111111, 111111111111111111111113, 111111111111111112111111, 111111111111111121111111, 111111111112111111111111, 111111115111111111111111]

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

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