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A143387 Least prime a(n) such that M(n)*(M(n)+a(n))-1 and M(n)*(M(n)+a(n))+1 are twin primes with M(i)=i-th Mersenne prime A000043(i). +0
2
3, 53, 11, 17, 317, 89, 1259, 2543, 7517, 16217, 15107, 33119, 60611, 671063, 2648057 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Cf. A000043, A143384, A143385, A143386.

Sequence in context: A030180 A005547 A136723 this_sequence A082484 A106997 A141929

Adjacent sequences: A143384 A143385 A143386 this_sequence A143388 A143389 A143390

KEYWORD

hard,more,nonn

AUTHOR

Pierre CAMI (pierrecami(AT)tele2.fr), Aug 11 2008

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.


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