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Search: id:A050224
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| 88, 169, 286, 484, 598, 682, 808, 844, 897, 961, 1339, 1573, 1599, 1878, 1986, 2266, 2488, 2626, 2662, 2743, 2938, 3193, 3289, 3751, 3887, 4084, 4444, 4642, 4738, 4804, 4972, 4976, 4983, 5566, 5665, 5764, 5797, 5863
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OFFSET
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1,1
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REFERENCES
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McDaniel, W. L., "The existence of infinitely many k- Smith numbers", Fibonacci Quarterly, 25(1987), pp. 76-80.
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LINKS
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S. S. Gupta, Smith Numbers.
Eric Weisstein's World of Mathematics, Smith Numbers
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EXAMPLE
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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.
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CROSSREFS
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Cf. A006753, A050225.
Sequence in context: A039445 A044258 A044639 this_sequence A043522 A044420 A044801
Adjacent sequences: A050221 A050222 A050223 this_sequence A050225 A050226 A050227
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KEYWORD
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nonn
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AUTHOR
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Eric Weisstein (eric(AT)weisstein.com)
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EXTENSIONS
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More terms from Shyam Sunder Gupta (guptass(AT)rediffmail.com), Mar 11 2005
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