A094505 Powers of 2 which are not the sum of divisors of any other number. Powers of 2 present in A007369.
2, 16, 64, 2048
Offset: 1
Keywords
Formula
a(n) = 2^A078426(n).
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.
Comments