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Search: id:A039664
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| A039664 |
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Numbers n such that n^4 can be written as a sum of four 4th powers with no common factor. |
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+0
3
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| 353, 651, 2487, 2501, 2829, 3723, 3973, 4267, 4333, 4449, 4949, 5281, 5463, 5491, 5543, 5729, 6167, 6609, 6801, 7101, 7209, 7339, 7703, 8373, 8433, 8493, 8517, 8577, 8637, 9137, 9243, 9431, 9519, 9639, 9797, 9877, 10419, 10939, 11681, 11757
(list; graph; listen)
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OFFSET
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1,1
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LINKS
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T. D. Noe, Table of n, a(n) for n=1..1003 (from Wroblewski, with duplicate n removed)
L. J. Lander, T. R. Parkin and J. L. Selfridge, A survey of equal sums of like powers, Math. Comp. vol. 21 no. 99, 1967, pp. 446-459, Table 1.
Eric Weisstein's World of Mathematics, Diophantine Equation - 4th powers
Jaroslaw Wroblewski, Exhaustive list of 1009 solutions to (4,1,4) below 222,000
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CROSSREFS
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Cf. A003294, A096739.
Sequence in context: A059635 A003294 A096739 this_sequence A054825 A142565 A142785
Adjacent sequences: A039661 A039662 A039663 this_sequence A039665 A039666 A039667
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KEYWORD
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nonn
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AUTHOR
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Felice Russo (frusso(AT)micron.com)
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EXTENSIONS
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Edited by Don Reble (djr(AT)nk.ca), Jul 07 2007
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