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A176114 Numbers n such that 30*n-1, 30*n+1 are twin primes. 4
1, 2, 5, 6, 8, 9, 14, 19, 20, 22, 27, 34, 35, 41, 43, 44, 54, 65, 71, 77, 78, 85, 91, 93, 99, 100, 104, 110, 111, 112, 113, 118, 131, 134, 135, 141, 142, 155, 160, 167, 170, 176, 184, 188, 195, 196, 203, 209, 210, 212, 215, 219, 222, 223, 226, 229, 232, 245, 252 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Zak Seidov, Table of n, a(n) for n = 1..1000

MATHEMATICA

Select[Range[6! ], PrimeQ[30*#-1]&&PrimeQ[30*#+1]&]

CROSSREFS

Cf. A002822

Sequence in context: A273867 A047325 A102611 * A057915 A154329 A176590

Adjacent sequences:  A176111 A176112 A176113 * A176115 A176116 A176117

KEYWORD

nonn

AUTHOR

Vladimir Joseph Stephan Orlovsky, Apr 08 2010

STATUS

approved

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Last modified December 4 23:10 EST 2016. Contains 278755 sequences.