%I A050225
%S A050225 6969,19998,36399,39693,66099,69663,69897,89769,99363,99759,109989,
%T A050225 118899,181998,191799,199089,297099,306939,333399,336963,339933,363099,
%U A050225 396363,397998,399333,399729,588969,606666,606909,639633,660693,666633
%N A050225 1/3-Smith Numbers.
%D A050225 McDaniel, W. L., "The existence of infinitely many k- Smith numbers", 
               Fibonacci Quarterly, 25(1987), pp. 76-80.
%H A050225 S. S. Gupta, <a href="http://www.shyamsundergupta.com/smith.htm">Smith 
               Numbers</a>.
%H A050225 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               SmithNumber.html">Smith Numbers</a>
%e A050225 6969 is a 3^(-1) Smith number because digit sum of 6969 i.e. S(6969) 
               = 6 + 9+ 6 + 9=30, which is equal to 3 times the sum of the digits 
               of its prime factors i.e. 3* Sp (6969) =3 * Sp (3 * 23 * 101) = 3 
               *( 3 + 2 + 3 + 1 + 0 + 1) = 30.
%Y A050225 Cf. A006753, A050224.
%Y A050225 Cf. A006753.
%Y A050225 Sequence in context: A072870 A118508 A028542 this_sequence A050673 A050663 
               A114615
%Y A050225 Adjacent sequences: A050222 A050223 A050224 this_sequence A050226 A050227 
               A050228
%K A050225 nonn
%O A050225 1,1
%A A050225 Eric Weisstein (eric(AT)weisstein.com)
%E A050225 More terms from Shyam Sunder Gupta (guptass(AT)rediffmail.com), Mar 11 
               2005