A070203 - OEIS

This site is supported by donations to The OEIS Foundation.

A070203

Number of scalene integer triangles with perimeter n having integral inradius.

0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 2, 0, 0, 0, 1, 0, 2, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 3, 0, 0, 0, 1, 0, 1, 0, 1, 0, 2, 0, 2, 0, 0, 0, 1, 0, 1, 0, 2, 0, 0, 0, 8, 0, 0, 0, 1, 0, 3 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,36`
	COMMENTS	`a(n) = A070201(n) - A070204(n).`
	LINKS	`Eric Weisstein's World of Mathematics, Incircle.` `Eric Weisstein's World of Mathematics, Scaline Triangle.` `R. Zumkeller, Integer-sided triangles`
	CROSSREFS	`Cf. A024153, A005044.` `Sequence in context: A131371 A003475 A135767 * A070201 A070138 A024153` `Adjacent sequences: A070200 A070201 A070202 * A070204 A070205 A070206`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 05 2002`

Content is available under The OEIS End-User License Agreement .

Last modified February 15 11:25 EST 2012. Contains 205777 sequences.