The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A124076 Numbers of the form Abs[m^m - n^n], where integers m,n>0. 0

%I

%S 0,3,23,26,229,252,255,2869,3098,3121,3124,43531,46400,46629,46652,

%T 46655,776887,820418,823287,823516,823539,823542,15953673,16730560,

%U 16774091,16776960,16777189,16777212,16777215,370643273,386596946

%N Numbers of the form Abs[m^m - n^n], where integers m,n>0.

%C Prime a(n) are listed in A068146(n) = {3, 23, 229, 3121, 776887, 16774091, 275311670611, ...}.

%t Take[Intersection[Flatten[Table[Abs[x^x-y^y], {x, 1, 12}, {y, 1, 12}]]], 50]

%Y Cf. A066846 = Integers of the form m^m + n^n, m and n = positive integers. Cf. A068146 = Primes of the form a^a - b^b.

%K nonn

%O 1,2

%A _Alexander Adamchuk_, Nov 24 2006

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified September 17 19:06 EDT 2021. Contains 347489 sequences. (Running on oeis4.)