id:A051585 - OEIS Search Results

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Number of integer-sided triangles of area 6n.

+0
3

1, 2, 0, 2, 1, 2, 1, 2, 1, 4, 1, 1, 0, 4, 2, 2, 0, 2, 1, 4, 3, 1, 0, 2, 1, 2, 0, 4, 0, 2, 0, 2, 1, 1, 6, 3, 0, 0, 1, 5, 0, 3, 0, 3, 2, 0, 0, 2, 1, 4, 1, 0, 0, 2, 4, 8, 0, 0, 0, 5, 0, 0, 1, 2, 1, 3, 0, 1, 0, 15, 0, 2, 0, 0, 0, 4, 2, 1, 0, 5, 1, 0, 0, 6, 2, 0, 1, 3, 0, 4, 3, 0, 0, 0, 1, 2, 0, 2, 1, 2, 0, 0, 0 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`If integer-sided triangle has integer area, area is divisible by 6.`
	CROSSREFS	`Cf. A051584, A051586.` `Sequence in context: A107455 A039701 A025822 this_sequence A049115 A029367 A099302` `Adjacent sequences: A051582 A051583 A051584 this_sequence A051586 A051587 A051588`
	KEYWORD	`nonn`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net)`

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

AT&T Labs Research