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A097480 Positive integers n such that 2n-15 is prime. 3
9, 10, 11, 13, 14, 16, 17, 19, 22, 23, 26, 28, 29, 31, 34, 37, 38, 41, 43, 44, 47, 49, 52, 56, 58, 59, 61, 62, 64, 71, 73, 76, 77, 82, 83, 86, 89, 91, 94, 97, 98, 103, 104, 106, 107, 113, 119, 121, 122, 124, 127, 128, 133, 136, 139, 142, 143, 146, 148, 149, 154, 161, 163 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

FORMULA

Half of p+15 where p is a prime greater than 2.

MATHEMATICA

(Prime[Range[2, 100]]+15)/2 [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Feb 08 2010]

CROSSREFS

Cf. A000040 A006254 A089192 A089253 A098090 A097069 A098602 A098603.

Sequence in context: A001731 A129849 A173147 * A034068 A045550 A031047

Adjacent sequences:  A097477 A097478 A097479 * A097481 A097482 A097483

KEYWORD

nonn

AUTHOR

Douglas Winston (douglas.winston(AT)srupc.com), Sep 19 2004

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Last modified February 16 23:45 EST 2012. Contains 205978 sequences.