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A131494
Values of n such that e^n starts with the digits n.
3
5825, 561220, 7755606, 2888937688, 6264901444, 23619873712, 571269301377, 713764980661, 869172568999, 5532978040527, 7642834168124, 203889078936944, 40287674650484416, 243168646125929188, 940265659937347772
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
Sequence in context: A348821 A104284 A237477 * A234804 A261941 A264887
KEYWORD
more,nonn,base
AUTHOR
Randy L. Ekl, Aug 12 2007
EXTENSIONS
a(4)-a(15) from Max Alekseyev, Sep 12 2013
STATUS
approved