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A085479
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Product of three solutions of the Diophantine equation x^3 - y^3 = z^2.
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2
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728, 93184, 1592136, 11927552, 56875000, 203793408, 599539304, 1526726656, 3482001432, 7280000000, 14186660488, 26085556224, 45680920376, 76741030912, 124385625000, 195421011968, 298726553944, 445696183296, 650738625992
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OFFSET
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1,1
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COMMENTS
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Parametric representation of the solution is (x,y,z) = (8n^2, 7n^2, 13n^3), thus getting a(n) = 728*n^7.
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LINKS
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Harvey P. Dale, Table of n, a(n) for n = 1..1000
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FORMULA
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a(n) = 728*n^7.
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MATHEMATICA
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728*Range[20]^7 (* Harvey P. Dale, May 27 2012 *)
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CROSSREFS
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Cf. A085377.
Sequence in context: A203665 A203913 A203909 * A203664 A050790 A214106
Adjacent sequences: A085476 A085477 A085478 * A085480 A085481 A085482
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KEYWORD
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nonn,easy
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AUTHOR
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Jun Mizuki (suzuki32(AT)sanken.osaka-u.ac.jp), Aug 15 2003
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EXTENSIONS
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More terms from Matthew Conroy, Jan 16 2006
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STATUS
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approved
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