id:A116947 - OEIS Search Results

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Numbers n such that (4*n^6 + 1 ) is prime.

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1, 2, 3, 5, 7, 17, 20, 22, 28, 30, 40, 45, 67, 68, 70, 75, 82, 85, 87, 88, 95, 108, 123, 125, 140, 150, 153, 163, 172, 190, 197, 200, 210, 217, 220, 223, 232, 237, 248, 268, 270, 282, 283, 287, 303, 310, 320, 333, 340, 358, 367, 403, 405, 407, 423, 438, 445, 447 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`If n=197 then (4*n^6 + 1) is a prime with 15 digits.`
	MATHEMATICA	`Select[Range[500], PrimeQ[(4*#^6 + 1)] &] - Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Apr 06 2006`
	CROSSREFS	`Cf. A115104, A001912, A115349.` `Sequence in context: A127049 A142885 A108547 this_sequence A066277 A135948 A060212` `Adjacent sequences: A116944 A116945 A116946 this_sequence A116948 A116949 A116950`
	KEYWORD	`nonn,less`
	AUTHOR	`Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Apr 03 2006`
	EXTENSIONS	`More terms from Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Apr 06 2006`

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.

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