id:A097265 - OEIS Search Results

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Primitive Pythagorean Quadruples a^2+b^2+c^2=d^2, 0<a<=b<=c<=d, gcd(a,b,c,d)=1, sorted by d, then c, then b; sequence gives long even leg values.

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2, 6, 4, 8, 6, 6, 12, 10, 14, 12, 12, 10, 6, 18, 16, 16, 8, 20, 18, 18, 22, 16, 20, 22, 10, 14, 10, 26, 16, 24, 24, 18, 22, 14, 30, 20, 20, 28, 28, 8, 32, 32, 26, 30, 30, 10, 24, 28, 28, 36, 26, 22, 26, 34, 34, 14, 24, 24, 32, 24, 12, 30, 30, 38, 18, 42, 42, 28, 28, 20, 40, 40 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`One of a,b,c is odd, other two are even for primitive Pythagorean quadruples.`
	LINKS	`Eric Weisstein's World of Mathematics, Pythagorean Quadruple.`
	CROSSREFS	`Cf. A096907, A096908, A096909.` `Sequence in context: A127399 A151689 A088438 this_sequence A074208 A066043 A145019` `Adjacent sequences: A097262 A097263 A097264 this_sequence A097266 A097267 A097268`
	KEYWORD	`nonn`
	AUTHOR	`Ray Chandler (rayjchandler(AT)sbcglobal.net), Aug 15 2004`

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Last modified March 20 09:10 EDT 2010. Contains 173642 sequences.

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