id:A070203 - OEIS Search Results

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

+0
3

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; listen)

	OFFSET	`1,36`
	COMMENT	`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 this_sequence A070201 A070138 A024153` `Adjacent sequences: A070200 A070201 A070202 this_sequence A070204 A070205 A070206`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 05 2002`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

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