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.
%I A176132 #15 Dec 25 2019 04:50:17 %S A176132 41,69257,98909,185681,413069,626009,741467,1064951,1096829,1107791, %T A176132 1149917,1582811,1819271,1823051,2202311,2221379,2748059,3177257, %U A176132 3606287,3958457,4275809,4786697,5129039,5903897,6533981,6541079 %N A176132 Lesser of twin primes p0 such that 30*p0 -+ 1 and 30*p1 -+ 1 are twin primes, p1 = p0 + 2. %H A176132 Amiram Eldar, <a href="/A176132/b176132.txt">Table of n, a(n) for n = 1..10000</a> (terms 1..100 from Harvey P. Dale) %e A176132 41 is a term since (41, 43) are twin primes, 30*41 - 1 = 1229 and 30*41 + 1=1231 are twin primes, and 30*43 - 1 = 1289 and 30*43 + 1 = 1291 are twin primes. %t A176132 lst={};Do[p0=Prime[n];p1=Prime[n+1];If[p1-p0==2&&PrimeQ[p2=p0*30-1]&&PrimeQ[p3=p0*30+1]&&PrimeQ[p4=p1*30-1]&&PrimeQ[p5=p1*30+1],AppendTo[lst,p0]],{n,5*9!}];lst %t A176132 ltpQ[{a_,b_}]:=b-a==2&&AllTrue[{30a+1,30a-1,30b+1,30b-1},PrimeQ]; Select[ Partition[ Prime[Range[450000]],2,1],ltpQ][[All,1]] (* The program uses the AllTrue function from Mathematica version 10 *) (* _Harvey P. Dale_, Jul 27 2019 *) %Y A176132 Cf. A000040, A001359, A006512, A176131. %K A176132 nonn %O A176132 1,1 %A A176132 _Vladimir Joseph Stephan Orlovsky_, Apr 09 2010