%I A113015
%S A113015 1,6,116,1928,27665
%N A113015 Number of decimal digits in BellB[10^n].
%H A113015 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               BellNumber.html">Bell Number</a>
%t A113015 f[n_] := Sum[ StirlingS2[n, k], {k, n}]; Table[ Length[ IntegerDigits[ 
               f[10^n]]], {n, 0, 4}] (from Robert G. Wilson v (rgwv(at)rgwv.com), 
               Oct 12 2005)
%Y A113015 Cf. A000110.
%Y A113015 Sequence in context: A121544 A003425 A052465 this_sequence A024275 A100070 
               A135869
%Y A113015 Adjacent sequences: A113012 A113013 A113014 this_sequence A113016 A113017 
               A113018
%K A113015 nonn,more,base
%O A113015 0,2
%A A113015 Eric Weisstein (eric(AT)weisstein.com), Oct 10, 2005