A128420 - cp's OEIS frontend

A128420 Numbers n such that p(n)# + p(n+1)# -1 is prime, where p(n)# is the product of first n primes (A002110).

%I A128420 #5 Mar 31 2012 13:22:05
%S A128420 0,1,3,6,8,10,12,37,72,92,142,295,1529,1625,1914,2276,4423
%N A128420 Numbers n such that p(n)# + p(n+1)# -1 is prime, where p(n)# is the product of first n primes (A002110).
%Y A128420 Cf. A002110, A057704, A128421.
%K A128420 nonn
%O A128420 1,3
%A A128420 _Pierre CAMI_, Mar 02 2007
%E A128420 Corrected by _Emeric Deutsch_, Mar 06 2007
%E A128420 Edited by _Ray Chandler_, Mar 13 2007

cp's OEIS Frontend

A128420 Numbers n such that p(n)# + p(n+1)# -1 is prime, where p(n)# is the product of first n primes (A002110).