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%I #16 Aug 19 2022 09:24:42
%S 2,3,4,5,6,8,20,56,101,108,141,202,265,364,401,1035,1588,3062,4191,
%T 4579
%N Numbers n such that p(n)# + p(n+1)# +1 is prime, where p(n)# is the product of first n primes (A002110).
%o (PARI) pd(n)=prod(i=1,n,prime(i)) \\ A002110
%o for(k=1,10^4,a=pd(k)+pd(k+1)+1;if(isprime(a),print1(k,", "))) \\ _Alexandru Petrescu_,Jun 17 2022
%Y Cf. A002110, A014545, A128420.
%K nonn,more
%O 1,1
%A _Pierre CAMI_, Mar 02 2007
%E Corrected by _Emeric Deutsch_, Mar 06 2007
%E Edited by _Ray Chandler_, Mar 13 2007
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