A097069 - OEIS

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A097069

Positive Integers n such that 2n-9 is prime.

6, 7, 8, 10, 11, 13, 14, 16, 19, 20, 23, 25, 26, 28, 31, 34, 35, 38, 40, 41, 44, 46, 49, 53, 55, 56, 58, 59, 61, 68, 70, 73, 74, 79, 80, 83, 86, 88, 91, 94, 95, 100, 101, 103, 104, 110, 116, 118, 119, 121, 124, 125, 130, 133, 136, 139, 140, 143, 145, 146, 151, 158, 160 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	FORMULA	`Half of p+9 where p is a prime greater than 2.`
	MATHEMATICA	`(Prime[Range[2, 100]]+9)/2 [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Feb 08 2010]`
	PROG	`(MAGMA) [n: n in [6..160] \| IsPrime(2*n-9)]; // Bruno Berselli, Mar 05 2011`
	CROSSREFS	`Cf. A000040 A006254 A067076 A086801 A089192 A089253 A098090.` `Sequence in context: A010755 A063971 A191879 * A031237 A031314 A066235` `Adjacent sequences: A097066 A097067 A097068 * A097070 A097071 A097072`
	KEYWORD	`nonn`
	AUTHOR	`Douglas Winston (douglas.winston(AT)srupc.com), Sep 15 2004`

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Last modified February 14 06:58 EST 2012. Contains 205577 sequences.