id:A063468 - OEIS Search Results

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Number of Pythagorean triples in the range [1..n] i.e. the number of integer solutions to x^2 + y^2 = z^2 with 1 <= x,y,z <= n.

+0
1

0, 0, 0, 0, 2, 2, 2, 2, 2, 4, 4, 4, 6, 6, 8, 8, 10, 10, 10, 12, 12, 12, 12, 12, 16, 18, 18, 18, 20, 22, 22, 22, 22, 24, 26, 26, 28, 28, 30, 32, 34, 34, 34, 34, 36, 36, 36, 36, 36, 40, 42, 44, 46, 46, 48, 48, 48, 50, 50, 52, 54, 54, 54, 54, 62, 62, 62, 64, 64, 66, 66, 66, 68, 70 (list; graph; listen)

	OFFSET	`1,5`
	CROSSREFS	`Cf. A062775.` `a(n) = 2*partial sums of A046080(n).` `Sequence in context: A001300 A001306 A108105 this_sequence A010336 A054537 A029104` `Adjacent sequences: A063465 A063466 A063467 this_sequence A063469 A063470 A063471`
	KEYWORD	`nonn`
	AUTHOR	`Ahmed Fares (ahmedfares(AT)my-deja.com), Jul 27 2001`
	EXTENSIONS	`Corrected and extended by Vladeta Jovovic (vladeta(AT)Eunet.yu), Jul 28 2001`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research