id:A087602 - OEIS Search Results

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Primes occurring as larger side of Heronian triangle (sides are consecutive integers, area and inradius are integers).

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3, 5, 53, 140453 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`p, p-1 and p-2 are sides of Heronian triangle.`
	EXAMPLE	`a(3)=53 because 53, 52 and 51 are sides of Heronian triangle (area is 1170, inradius is 15).`
	CROSSREFS	`Cf. A001353, A016064, A087601.` `Sequence in context: A101149 A056260 A020462 this_sequence A086340 A106914 A049190` `Adjacent sequences: A087599 A087600 A087601 this_sequence A087603 A087604 A087605`
	KEYWORD	`more,nonn`
	AUTHOR	`Zak Seidov (zakseidov(AT)yahoo.com), Aug 07 2003`

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Last modified September 6 16:04 EDT 2008. Contains 143483 sequences.