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.

A123669 Smallest generalized Fermat prime of the form (2n)^(2^k) + 1, where k>0; or -1 if no such prime exists.

Table of values

n a(n)
1 5
2 17
3 37
4 -1
5 101

List of values

[5, 17, 37, -1, 101]