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A020638 Least inverse of A001390, or 0 if no inverse exists. 0

%I #6 Mar 30 2012 18:35:15

%S 2,7,11,5,89,73,31,0,43,601,3343,109,2383,997,1021,0,577,2441,3673,

%T 11149,5737,3373,6793,721051,1093,37507,0,52189,15361,58237,10513,0,

%U 49369,24373,2593,103813,5233,73141,11551,970201,17881,573871,113329,729301

%N Least inverse of A001390, or 0 if no inverse exists.

%K nonn

%O 1,1

%A _David W. Wilson_

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)