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A128662 Numbers n such that p(n+1)#+p(n)#-p(n-1)#+1 is prime where p(i)#=product of first i primes=A002110(i). +0
6
8, 13, 14, 15, 30, 41, 71, 85, 97, 132, 231, 282, 424, 509, 1346, 1348 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Cf. A002110, A128420, A128421, A128657, A128658, A128659, A128660, A128661.

Sequence in context: A076028 A070476 A124159 this_sequence A133192 A063684 A059194

Adjacent sequences: A128659 A128660 A128661 this_sequence A128663 A128664 A128665

KEYWORD

nonn

AUTHOR

Pierre CAMI (pierrecami(AT)tele2.fr), Mar 19 2007

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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