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.

A094505 Powers of 2 which are not the sum of divisors of any other number. Powers of 2 present in A007369.

Table of values

n a(n)
1 2
2 16
3 64
4 2048

List of values

[2, 16, 64, 2048]