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Positions of 8's in the decimal expansion of exp(1).
2

%I #14 Feb 07 2015 02:28:19

%S 4,6,8,10,24,87,91,122,160,166,182,185,186,206,210,222,230,231,250,

%T 252,257,262,269,311,313,324,327,341,367,404,407,418,435,438,456,470,

%U 480,488,489,496,508,528,532,536,544

%N Positions of 8's in the decimal expansion of exp(1).

%H Vincenzo Librandi, <a href="/A054284/b054284.txt">Table of n, a(n) for n = 1..1000</a>

%t Flatten[Position[RealDigits[E, 10, 1000][[1]], 8]] (* _Vincenzo Librandi_, Oct 07 2013 *)

%K nonn,base

%O 1,1

%A _Simon Plouffe_, Feb 20 2000