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.

A068813 Primes with a 3 followed by 1's.

Table of values

n a(n)
1 31
2 311
3 311111
4 31111111111
5 311111111111
6 31111111111111
7 31111111111111111111111111111111111
8 311111111111111111111111111111111111111111111111
9 31111111111111111111111111111111111111111111111111111

List of values

[31, 311, 311111, 31111111111, 311111111111, 31111111111111, 31111111111111111111111111111111111, 311111111111111111111111111111111111111111111111, 31111111111111111111111111111111111111111111111111111]