id:A063535 - OEIS Search Results

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Primes P[n] such that P[n+1]^2 < P[n]P[n+2].

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2, 5, 11, 17, 19, 29, 41, 43, 59, 71, 79, 83, 101, 107, 109, 127, 137, 149, 163, 179, 191, 197, 227, 229, 239, 269, 281, 283, 311, 313, 331, 347, 349, 353, 379, 383, 397, 401, 419, 431, 439, 443, 461, 463, 487, 499, 503, 521, 541, 569, 571, 599, 617, 641, 643 (list; graph; listen)

	OFFSET	`0,1`
	EXAMPLE	`a(2)=5 because 77 < 511`
	PROGRAM	`(PARI) j=[]; for(n=1, 400, if(prime(n+1)^2<(prime(n)*prime(n+2)), j=concat(j, prime(n)))); j`
	CROSSREFS	`Sequence in context: A132121 A070957 A080165 this_sequence A091653 A136244 A118754` `Adjacent sequences: A063532 A063533 A063534 this_sequence A063536 A063537 A063538`
	KEYWORD	`nonn,easy`
	AUTHOR	`Michel ten Voorde (seqfan(AT)tenvoorde.org) Aug 02 2001`
	EXTENSIONS	`More terms from Jason Earls (zevi_35711(AT)yahoo.com), Aug 03 2001`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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