id:A110558 - OEIS Search Results

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Numbers n such that (n^2-8)/8 is prime.

+0
5

8, 12, 16, 24, 28, 32, 40, 44, 52, 60, 68, 72, 84, 88, 96, 100, 112, 136, 144, 152, 156, 164, 168, 172, 180, 184, 196, 200, 208, 224, 236, 248, 252, 256, 276, 292, 304, 320, 324, 340, 348, 364, 368, 380, 392, 408, 432, 436, 448, 452, 460, 472, 500, 504, 508 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`These numbers need to be of the form 4j then (16j^2-8)/8 = 2*j^2-1.` `A066436 gives resulting primes p such that 8p+8 is square. - Chandler`
	FORMULA	`a(n) = 2A090697(n) = 4A066049(n). - Chandler`
	CROSSREFS	`Cf. A066049, A066436, A090697, A091176.` `Sequence in context: A049199 A078609 A084809 this_sequence A036705 A129150 A030752` `Adjacent sequences: A110555 A110556 A110557 this_sequence A110559 A110560 A110561`
	KEYWORD	`nonn`
	AUTHOR	`Pierre CAMI (pierrecami(AT)tele2.fr), Sep 12 2005`
	EXTENSIONS	`Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Sep 15 2005`

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

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