A102747 Primes p(n) such that p(n)#+p(n+1) is divisible by p(n+2).

2, 7, 103, 229561, 863833

Offset: 1

Author

Max Alekseyev, Feb 09 2005

Keywords

• hard
• more
• nonn

Examples

			7 belongs to this sequence since 2*3*5*7+11 is divisible by 13.
		

Crossrefs

Cf. A002110, A058233.

Programs

PARI

{ isgood(p) = local(r,p2,p3); p2=nextprime(p+1); p3=nextprime(p2+1); r=Mod(1,p3); forprime(q=1,p,r*=q); r+=p2; return(r==0); }

Extensions

863833 from Ryan Propper, Jan 07 2008