

A128658


Numbers n such that p(n+1)#p(n)#+1 is prime where p(i)#=product of first i primes=A002110(i).


5



1, 3, 7, 14, 80, 224, 280, 287, 652, 1509, 2952, 3915
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OFFSET

1,2


LINKS

Table of n, a(n) for n=1..12.


CROSSREFS

Cf. A002110, A128420, A128421, A128657, A128659, A128660, A128661, A128662.
Sequence in context: A184264 A146155 A106363 * A234042 A001203 A154883
Adjacent sequences: A128655 A128656 A128657 * A128659 A128660 A128661


KEYWORD

nonn


AUTHOR

Pierre CAMI, Mar 19 2007


STATUS

approved



