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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
3, 53, 11, 17, 317, 89, 1259, 2543, 7517, 16217, 15107, 33119, 60611, 671063, 2648057 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..15.

CROSSREFS

Cf. A000043, A143384, A143385, A143386.

Sequence in context: A136723 A202649 A302932 * A228452 A269458 A288867

Adjacent sequences:  A143384 A143385 A143386 * A143388 A143389 A143390

KEYWORD

hard,more,nonn

AUTHOR

Pierre CAMI, Aug 11 2008

STATUS

approved

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Last modified May 11 13:41 EDT 2021. Contains 343791 sequences. (Running on oeis4.)