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.

A280208 Numbers m such that 4^m - 3^m is not squarefree, but 4^d - 3^d is squarefree for every proper divisor d of m.

Table of values

n a(n)
1 4
2 14
3 55
4 78
5 111
6 253
7 342
8 355

List of values

[4, 14, 55, 78, 111, 253, 342, 355]