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A118068 Numbers n such that A103557(n)*((p(n)#)^2)-1 is a Sophie Germain prime. 0
1, 12, 13, 24, 55, 86 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..6.

CROSSREFS

Cf. A103557.

Sequence in context: A140212 A123132 A050840 * A108710 A108709 A138821

Adjacent sequences:  A118065 A118066 A118067 * A118069 A118070 A118071

KEYWORD

hard,more,nonn

AUTHOR

Pierre CAMI, May 11 2006

STATUS

approved

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Last modified June 23 13:28 EDT 2017. Contains 288665 sequences.