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.

A099417 Numbers k such that 5*R_k + 2 is prime, where R_k = 11...1 is the repunit (A002275) of length k.

Table of values

n a(n)
1 0
2 1
3 3
4 4
5 6
6 10
7 15
8 22
9 88
10 207
11 528
12 960
13 2100
14 18522
15 36783
16 38517

List of values

[0, 1, 3, 4, 6, 10, 15, 22, 88, 207, 528, 960, 2100, 18522, 36783, 38517]