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A098814 Least k such that k*Mersenne_prime(n) - 1 and k*Mersenne_prime(n) + 1 are twin primes. 1
2, 6, 42, 144, 72, 312, 144, 234, 1512, 672, 2226, 1104, 34632, 267894, 371634 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

CROSSREFS

Sequence in context: A309813 A033936 A203618 * A272177 A156437 A127071

Adjacent sequences:  A098811 A098812 A098813 * A098815 A098816 A098817

KEYWORD

nonn

AUTHOR

Pierre CAMI, Oct 07 2004

STATUS

approved

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Last modified February 18 04:48 EST 2020. Contains 332011 sequences. (Running on oeis4.)