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A003826
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Numbers that are the sum of two cubes in at least four ways (primitive solutions).
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6
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6963472309248, 12625136269928, 21131226514944, 26059452841000, 74213505639000, 95773976104625, 159380205560856, 174396242861568, 300656502205416, 376890885439488, 521932420691227, 573880096718136
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OFFSET
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1,1
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REFERENCES
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R. K. Guy, Unsolved Problems in Number Theory, D1.
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LINKS
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Uwe Hollerbach, Table of n, a(n) for n=1..664
E. Rosenstiel et al., The Four Least Solutions ... , Instit.of Mathem. and Its Applic. Bull. Jul 27 (pp. 155-157) 1991,
Eric Weisstein's World of Mathematics, Cubic Number
Eric Weisstein's World of Mathematics, Diophantine Equation--3rd Powers
D. W. Wilson, The Fifth Taxicab Number is 48988659276962496, J. Integer Sequences, Vol. 2, 1999, #99.1.9.
Uwe Hollerbach, Taxi, Taxi!
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CROSSREFS
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Cf. A011541, A023050, A023051, A001235.
Sequence in context: A094910 A210588 A023051 * A127344 A186179 A058124
Adjacent sequences: A003823 A003824 A003825 * A003827 A003828 A003829
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane.
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EXTENSIONS
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More terms from David W. Wilson Oct 15, 1997.
b-file extended by Ray Chandler, Jan 19 2009
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STATUS
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approved
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