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.

A063508 Numbers n such that !n + 2n - 1 is prime.

Table of values

n a(n)
1 1
2 2
3 4
4 5
5 7
6 13
7 40
8 124
9 758
10 940

List of values

[1, 2, 4, 5, 7, 13, 40, 124, 758, 940]