id:A051584 - OEIS Search Results

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Number of integer-sided triangles of area n.

+0
3

0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0 (list; graph; listen)

	OFFSET	`1,12`
	COMMENT	`If integer-sided triangle has integer area, area is divisible by 6.`
	CROSSREFS	`Cf. A051585, A051586.` `Sequence in context: A028661 A028714 A028653 this_sequence A028645 A028710 A028637` `Adjacent sequences: A051581 A051582 A051583 this_sequence A051585 A051586 A051587`
	KEYWORD	`nonn`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net)`

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Last modified December 19 12:50 EST 2009. Contains 171053 sequences.

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