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.

A057247 a(n) is the smallest prime of the form 1 + prime(n)*2^m, with m > 0.

Table of values

n a(n)
1 5
2 7
3 11
4 29
5 23
6 53
7 137
8 1217
9 47
10 59
11 7937
12 149
13 83
14 173

List of values

[5, 7, 11, 29, 23, 53, 137, 1217, 47, 59, 7937, 149, 83, 173]