Search: id:A050224
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%I A050224
%S A050224 88,169,286,484,598,682,808,844,897,961,1339,1573,1599,1878,1986,2266,
%T A050224 2488,2626,2662,2743,2938,3193,3289,3751,3887,4084,4444,4642,4738,4804,
%U A050224 4972,4976,4983,5566,5665,5764,5797,5863
%N A050224 1/2-Smith numbers.
%D A050224 McDaniel, W. L., "The existence of infinitely many k- Smith numbers", 
               Fibonacci Quarterly, 25(1987), pp. 76-80.
%H A050224 S. S. Gupta, <a href="http://www.shyamsundergupta.com/smith.htm">Smith 
               Numbers</a>.
%H A050224 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               SmithNumber.html">Smith Numbers</a>
%e A050224 88 is a 2^(-1) Smith number because digit sum of 88 i.e. S(88) = 8 + 
               8=16, which is equal to twice the sum of the digits of its prime 
               factors i.e. 2 * Sp (88) = 2 * Sp (11 * 2 * 2 * 2) = 2 *( 1 + 1 + 
               2 + 2 + 2) = 16.
%Y A050224 Cf. A006753, A050225.
%Y A050224 Sequence in context: A039445 A044258 A044639 this_sequence A043522 A044420 
               A044801
%Y A050224 Adjacent sequences: A050221 A050222 A050223 this_sequence A050225 A050226 
               A050227
%K A050224 nonn
%O A050224 1,1
%A A050224 Eric Weisstein (eric(AT)weisstein.com)
%E A050224 More terms from Shyam Sunder Gupta (guptass(AT)rediffmail.com), Mar 11 
               2005

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