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.

A093011 Primes of the form 10*R_k + 3, where R_k is the repunit (A002275) of length k.

Table of values

n a(n)
1 3
2 13
3 113
4 11113
5 111111113
6 11111111113
7 111111111111111111111113
8 111111111111111111111111111111111111111111111111111111111111111111111111111111111113

List of values

[3, 13, 113, 11113, 111111113, 11111111113, 111111111111111111111113, 111111111111111111111111111111111111111111111111111111111111111111111111111111111113]

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

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