OFFSET
1,1
EXAMPLE
561220 is a term of this sequence because e^561220 = 561220.7799... * 10^243729, which starts with 561220.
PROG
(PARI) e=exp(1); s=1; for(i=1, 10000000, s=s*e; if(s-i>11, s=s/10, ); if(floor(s)==i, printp1(i, ", "), ))
CROSSREFS
KEYWORD
more,nonn,base
AUTHOR
Randy L. Ekl, Aug 12 2007
EXTENSIONS
a(4)-a(15) from Max Alekseyev, Sep 12 2013
STATUS
approved