id:A088963 - OEIS Search Results

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Primes p such that 5p is the hypotenuse belonging to two prime-free primitive Pythagorean triples.

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13, 37, 41, 61, 73, 89, 97, 101, 109, 113, 149, 157, 173, 181, 193, 197, 229, 233, 241, 257, 269, 277, 293, 313, 317, 337, 349, 353, 373, 389, 397, 401, 409, 421, 433, 457, 461, 509, 521, 541, 557, 569, 577, 593, 601, 613, 617, 641, 653, 661, 673, 677, 701 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Subsequence of A002144.`
	EXAMPLE	`41 is in the sequence because 5*41=205 appears in the two prime-free primitive Pythagorean triangles: (123^2 + 164^2 = 205^2),(133^2 + 156^2 = 205^2).`
	CROSSREFS	`Sequence in context: A081928 A034129 A118361 this_sequence A063913 A119705 A045809` `Adjacent sequences: A088960 A088961 A088962 this_sequence A088964 A088965 A088966`
	KEYWORD	`nonn`
	AUTHOR	`Lekraj Beedassy (blekraj(AT)yahoo.com), Oct 28 2003`
	EXTENSIONS	`More terms from Ray Chandler (rayjchandler(AT)sbcglobal.net), Oct 31 2003`

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.

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