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.

A098857 Numbers k such that 4^k*(2^k - 1) - 1 is prime.

Table of values

n a(n)
1 1
2 2
3 18
4 40
5 50
6 60
7 62
8 2688
9 2880
10 23678
11 35076

List of values

[1, 2, 18, 40, 50, 60, 62, 2688, 2880, 23678, 35076]