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A098090 Integers n such that 2n-3 is prime. +0
12
3, 4, 5, 7, 8, 10, 11, 13, 16, 17, 20, 22, 23, 25, 28, 31, 32, 35, 37, 38, 41, 43, 46, 50, 52, 53, 55, 56, 58, 65, 67, 70, 71, 76, 77, 80, 83, 85, 88, 91, 92, 97, 98, 100, 101, 107, 113, 115, 116, 118, 121, 122, 127, 130, 133, 136, 137, 140, 142, 143, 148, 155, 157, 158 (list; graph; listen)
OFFSET

1,1

FORMULA

Half of p+3 where p is a prime greater 2.

A122845(a(n),3) = 3; a(n) = A113935(n+1)/2. - Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Sep 14 2006

CROSSREFS

Cf. A000040 A006254 A067076 A086801 A089192 A089253.

Cf. A085090.

Sequence in context: A136119 A110882 A089230 this_sequence A026347 A137292 A047500

Adjacent sequences: A098087 A098088 A098089 this_sequence A098091 A098092 A098093

KEYWORD

nonn

AUTHOR

Douglas Winston (douglas.winston(AT)srupc.com), Sep 14 2004

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


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