id:A070107 - OEIS Search Results

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Number of integer triangles with perimeter n and relatively prime side lengths which are obtuse and isosceles.

+0
5

0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 2, 1, 0, 1, 1, 0, 1, 1, 2, 1, 2, 1, 2, 0, 1, 1, 2, 1, 1, 1, 2, 1, 2, 0, 2, 1, 1, 1, 3, 1, 2, 1, 2, 1, 3, 2, 3, 1, 2, 1, 3, 1, 3, 2, 1, 1, 1, 0, 4, 2, 2, 2, 4, 1, 3, 2, 3, 2, 4, 1 (list; graph; listen)

	OFFSET	`1,31`
	LINKS	`R. Zumkeller, Integer-sided triangles`
	CROSSREFS	`Cf. A070080, A070081, A070082, A070101, A059169, A051493, A070091, A070102, A070106, A070084, A070134.` `Sequence in context: A113313 A099200 A093578 this_sequence A044933 A025915 A081285` `Adjacent sequences: A070104 A070105 A070106 this_sequence A070108 A070109 A070110`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 05 2002`

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Last modified December 21 10:15 EST 2009. Contains 171081 sequences.

AT&T Labs Research