%I #14 Nov 26 2019 04:40:06
%S 1,4,15,56,213,813,3104,9632089,36787239,140499215,2049402728,
%T 7827156489,29893772401,6360445726168,24292055125871,354337952833519,
%U 5168578128432327,19740029272114749,4200051540382303047,16040995858310522148,233983234616956426935,893637628328498285466,3413014663516027432461
%N Values of k such that k^e starts with the digits of k.
%C Subsequence of ceiling(10^(k/(e-1))). - _Max Alekseyev_, Sep 08 2013
%H Max Alekseyev, <a href="/A131497/b131497.txt">Table of n, a(n) for n = 1..400</a>
%e 213 is a term of this sequence because 213^e = 2133987.96483717..., which starts with 213.
%o (PARI) e=exp(1);s=1;for(i=1,50000,s=i^e; while(s-i>11,s=s/10); if(floor(s)==i,printp1(i,", "),))
%Y Cf. A131494, A131496.
%K nonn,base
%O 1,2
%A _Randy L. Ekl_, Aug 12 2007
%E 3 more terms from _Ryan Propper_, Dec 30 2007
%E a(11)-a(14) from _Donovan Johnson_, Oct 29 2010
%E Terms a(15) onward from _Max Alekseyev_, Sep 08 2013