cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A168537 The lesser of twin primes p of the form p*q+a+b+c, (p and q are twin primes, p+2=q, a=p-1, b=(p+q)/2, c=q+1).

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%I A168537 #2 Mar 31 2012 12:38:27
%S A168537 179,10709,32939,122147,326609,1105649,1516589,1699109,2218607,
%T A168537 2787227,12670037,17052767,37106369,45744929,74468267,81784889,
%U A168537 101394827,142599419,150148259,205162649,377272349,668196647,816444899,853194887
%N A168537 The lesser of twin primes p of the form p*q+a+b+c, (p and q are twin primes, p+2=q, a=p-1, b=(p+q)/2, c=q+1).
%e A168537 11*13+10+12+14=179,..
%t A168537 lst={};Do[p=Prime[n];q=p+2;If[PrimeQ[q],a=p-1;b=p+1;c=q+1;If[PrimeQ[x=p*q+a+b+c]&&PrimeQ[p*q+a+b+c+2],AppendTo[lst,x]]],{n,8!}];lst
%Y A168537 Cf. A168536
%K A168537 nonn
%O A168537 1,1
%A A168537 _Vladimir Joseph Stephan Orlovsky_, Nov 28 2009