Search: id:A018889
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%I A018889
%S A018889 15,22,50,114,167,175,186,212,231,238,303,364,420,428,454
%N A018889 Shortest representation as sum of positive cubes requires exactly 8 cubes.
%C A018889 Note that 167 is the unique prime in this sequence, as Wieferich proved. 
               - Jonathan Vos Post (jvospost3(AT)gmail.com), Sep 23 2006
%D A018889 J. Bohman and C.-E. Froberg, Numerical investigation of Waring's problem 
               for cubes, Nordisk Tidskr. Informationsbehandling (BIT) 21 (1981), 
               118-122.
%D A018889 K. S. McCurley, An effective seven-cube theorem, J. Number Theory, 19 
               (1984), 176-183.
%D A018889 Joe Roberts, Lure of the Integers, entry 239.
%H A018889 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               CubicNumber.html">Link to a section of The World of Mathematics.</
               a>
%H A018889 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               WaringsProblem.html">Link to a section of The World of Mathematics.</
               a>
%H A018889 <a href="Sindx_Su.html#ssq">Index entries for sequences related to sums 
               of cubes</a>
%H A018889 G. L. Honaker, Jr. and Chris Caldwell, et al., <a href="http://primes.utm.edu/
               curios/page.php?short=167">A Prime Curios Page</a>.
%H A018889 Eric Weisstein, et al., <a href="http://mathworld.wolfram.com/WaringsProblem.html">
               Waring's Problem</a>
%Y A018889 Cf. A018888.
%Y A018889 Sequence in context: A006615 A114867 A109288 this_sequence A065728 A166665 
               A014312
%Y A018889 Adjacent sequences: A018886 A018887 A018888 this_sequence A018890 A018891 
               A018892
%K A018889 nonn,fini,full,nice
%O A018889 1,1
%A A018889 Anon
%E A018889 Corrected by Arlin Anderson (starship1(AT)gmail.com). Additional comments 
               from Jud McCranie (j.mccranie(AT)comcast.net).

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