Search: id:A018850
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%I A018850
%S A018850 1729,4104,20683,39312,40033,64232,65728,134379,149389,171288,195841,
%T A018850 216027,327763,402597,439101,443889,515375,684019,704977,805688,842751,
%U A018850 920673,955016,984067,994688,1009736,1016496,1073375,1092728,1331064
%N A018850 Numbers that are the sum of 2 cubes in more than 1 way (primitive solutions).
%C A018850 Nakao's table has more entries because he lists nonprimitive numbers 
               if they are the sum of two cubes in three ways.
%H A018850 T. D. Noe, <a href="b018850.txt">Table of n, a(n) for n=1..1694</a>
%H A018850 H. Nakao, <a href="http://www.kaynet.or.jp/~kay/misc/log/rtaxi.log">Ramanujan 
               Taxi Numbers[1...1000000000]</a>
%H A018850 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               CubicNumber.html">Link to a section of The World of Mathematics.</
               a>
%Y A018850 Cf. A001235.
%Y A018850 Sequence in context: A083737 A138129 A001235 this_sequence A062924 A130859 
               A154716
%Y A018850 Adjacent sequences: A018847 A018848 A018849 this_sequence A018851 A018852 
               A018853
%K A018850 nonn
%O A018850 1,1
%A A018850 David W. Wilson (davidwwilson(AT)comcast.net)

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