id:A070205 - OEIS Search Results

Search: id:A070205

Displaying 1-1 of 1 results found.

page 1

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

+0
4

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

	OFFSET	`1,84`
	COMMENT	`a(n) = A070201(n) - A024155(n) - A070206(n).`
	LINKS	`Eric Weisstein's World of Mathematics, Incircle.` `Eric Weisstein's World of Mathematics, Acute Triangle.` `R. Zumkeller, Integer-sided triangles`
	CROSSREFS	`Cf. A070140, A070093.` `Sequence in context: A083935 A053201 A028605 this_sequence A138363 A080225 A122841` `Adjacent sequences: A070202 A070203 A070204 this_sequence A070206 A070207 A070208`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 05 2002`

page 1

Search completed in 0.002 seconds

Last modified September 7 12:28 EDT 2008. Contains 143483 sequences.

AT&T Labs Research