id:A119721 - OEIS Search Results

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A119721

Numbers n such that 4*n^4 + 7 is prime.

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0, 1, 2, 3, 4, 9, 16, 20, 22, 24, 27, 31, 33, 36, 37, 47, 58, 59, 60, 61, 68, 80, 90, 94, 95, 107, 117, 118, 124, 127, 128, 132, 134, 135, 136, 149, 152, 169, 172, 178, 183, 192, 195, 200, 207, 227, 229, 234, 237, 239, 240, 250, 257, 262, 269, 277, 278, 279, 292 (list; graph; listen)

	OFFSET	`1,3`
	EXAMPLE	`If n=95 then 4*n^4 + 7 = 325802507 (prime).`
	MATHEMATICA	`Select[Range[0, 500], PrimeQ[4*#^4 + 7] &] - Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Jul 22 2006`
	CROSSREFS	`Cf. A118660.` `Sequence in context: A124753 A049909 A096781 this_sequence A098969 A088275 A014281` `Adjacent sequences: A119718 A119719 A119720 this_sequence A119722 A119723 A119724`
	KEYWORD	`nonn,less`
	AUTHOR	`Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Jun 13 2006`
	EXTENSIONS	`More terms from Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Jul 22 2006`

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Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.

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