Difference between revisions of "Leyland number"
(new (to do: add history, make own category for this number))
Revision as of 20:12, 31 July 2019
A Leyland number is a number that can be expressed in the form [math]x^y+y^x[/math], where x and y are positive integers. These numbers are named after Paul Leyland, who first studied these numbers. The first few nontrivial Leyland numbers are given by OEIS sequence A076980.