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A097266 Number of primitive Pythagorean quadruples with diagonal 2n+1. +0
2
0, 1, 0, 1, 2, 2, 1, 2, 2, 3, 4, 3, 2, 5, 3, 4, 7, 4, 4, 6, 5, 6, 6, 6, 7, 9, 6, 6, 11, 8, 7, 12, 5, 9, 12, 9, 9, 10, 12, 10, 14, 11, 7, 14, 11, 12, 16, 10, 12, 19, 12, 13, 16, 14, 13, 18, 14, 12, 18, 16, 17, 21, 12, 16, 23, 17, 20, 18, 17, 18, 24, 18, 13, 28, 18, 19, 25, 16, 19, 26, 24 (list; graph; listen)
OFFSET

0,5

LINKS

Eric Weisstein's World of Mathematics, Pythagorean Quadruple.

CROSSREFS

Cf. A096907-A096909, A097263-A097265.

Sequence in context: A029289 A029328 A109831 this_sequence A112175 A112206 A038541

Adjacent sequences: A097263 A097264 A097265 this_sequence A097267 A097268 A097269

KEYWORD

nonn

AUTHOR

Ray Chandler (rayjchandler(AT)sbcglobal.net), Aug 16 2004

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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