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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.

A342364 The primes associated with A239727.

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%I A342364 #11 Mar 09 2021 11:12:35
%S A342364 3,17,73,191,709,1289,3181,5449,7681,17477,33889,87961,437389,2290573,
%T A342364 7160227,10429681,19196227,24504049,47577857,70513979,82605937,
%U A342364 156671243,271785793,328939937,568119509,1125978241,1534657963,1710749497,4936728373,7647104183
%N A342364 The primes associated with A239727.
%H A342364 Jianing Song, <a href="/A342364/b342364.txt">Table of n, a(n) for n = 1..40</a>
%F A342364 a(n) = 2*A239727(n)*A239746(n) + 1.
%e A342364 The smallest prime of the form 2*A239727(3)*k + 1 = 24*k+1 is 73, hence a(3) = 73.
%e A342364 The smallest prime of the form 2*A239727(4)*k + 1 = 38*k+1 is 191, hence a(4) = 191.
%o A342364 (PARI) A016014(n)=my(k); while(!isprime(2*n*k+++1), ); k
%o A342364 r=0; for(n=1, 1e8, t=A016014(n); if(t>r, r=t; print1(2*n*r+1", "))) \\ based on the program of A239727
%Y A342364 Cf. A239727, A239746, A016014, A070846, A342365.
%K A342364 nonn
%O A342364 1,1
%A A342364 _Jianing Song_, Mar 09 2021