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.

A259866 Primes of the form 3*10^k + 1.

Table of values

n a(n)
1 31
2 3001
3 30000001
4 30000000001
5 30000000000000000000000000001
6 3000000000000000000000000000000000001
7 30000000000000000000000000000000000000000000000000000000000000000001

List of values

[31, 3001, 30000001, 30000000001, 30000000000000000000000000001, 3000000000000000000000000000000000001, 30000000000000000000000000000000000000000000000000000000000000000001]

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

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