Search: id:A033502
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%I A033502
%S A033502 1729,294409,56052361,118901521,172947529,216821881,228842209,
%T A033502 1299963601,2301745249,9624742921,11346205609,13079177569,21515221081,
%U A033502 27278026129,65700513721,71171308081,100264053529,168003672409
%N A033502 Carmichael numbers of form (6k+1)(12k+1)(18k+1).
%D A033502 R. K. Guy, Unsolved Problems in Number Theory, A13.
%H A033502 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               CarmichaelNumber.html">Link to a section of The World of Mathematics.</
               a>
%H A033502 <a href="Sindx_Ca.html#Carmichael">Index entries for sequences related 
               to Carmichael numbers.</a>
%Y A033502 Values of k are given by A046025. See also A002997.
%Y A033502 Sequence in context: A130859 A154716 A154728 this_sequence A050794 A138130 
               A048949
%Y A033502 Adjacent sequences: A033499 A033500 A033501 this_sequence A033503 A033504 
               A033505
%K A033502 nonn
%O A033502 1,1
%A A033502 Marc LeBrun (mlb(AT)well.com)

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