OFFSET
1,1
COMMENTS
LINKS
Paul Shubhankar, Ten Problems of Number Theory, International Journal of Engineering and Technical Research (IJETR), ISSN: 2321-0869, Volume-1, Issue-9, November 2013
Paul Shubhankar, Legendre, Grimm, Balanced Prime, Prime triple, Polignac's conjecture, a problem and 17 tips with proof to solve problems on number theory, International Journal of Engineering and Technical Research (IJETR), Volume-1, Issue-10, December 2013.
Eric Weisstein's World of Mathematics, Prime Triplet
MATHEMATICA
lst={}; Do[p=Prime[n]; If[PrimeQ[p2=p+2]&&PrimeQ[p6=p+6], AppendTo[lst, p]; AppendTo[lst, p2]; AppendTo[lst, p6]]; If[PrimeQ[p4=p+4]&&PrimeQ[p6=p+6], AppendTo[lst, p]; AppendTo[lst, p4]; AppendTo[lst, p6]], {n, 6!}]; Union[lst] (* Vladimir Joseph Stephan Orlovsky, Sep 25 2008 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Sep 07 2004
STATUS
approved