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A144094 Prime numbers r such that there is no pair of twin primes p,p+2 and q,q+2 such that p+q+2 = 6*r 0
67, 131, 151, 191, 211, 541, 701 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Probably the sequence is complete.

EXAMPLE

6*3=18, 5,7 twin primes as 11,13, 5+13=7+11=18 so 3 not in the sequence 6*5=30, 11,13 twin primes as 17,19, 13+19=11+17=30 so 5 not in the sequence

CROSSREFS

Sequence in context: A141889 A141925 A147100 * A044190 A044571 A142097

Adjacent sequences:  A144091 A144092 A144093 * A144095 A144096 A144097

KEYWORD

nonn

AUTHOR

Pierre CAMI (pierre-cami(AT)bbox.fr), Sep 10 2008

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Last modified February 15 12:25 EST 2012. Contains 205786 sequences.