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A039664 Numbers n such that n^4 can be written as a sum of four 4th powers with no common factor. 3
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; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

CROSSREFS

Cf. A003294, A096739.

Sequence in context: A059635 A003294 A096739 * A054825 A142565 A265449

Adjacent sequences:  A039661 A039662 A039663 * A039665 A039666 A039667

KEYWORD

nonn

AUTHOR

Felice Russo

EXTENSIONS

Edited by Don Reble, Jul 07 2007

STATUS

approved

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Last modified November 18 10:38 EST 2017. Contains 294887 sequences.