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 A074327 #9 Aug 28 2019 11:46:12
%S A074327 3,311,1619,3671,1742537,148948139,2777105129,16149760533341,
%T A074327 10082409897709157
%N A074327 Smaller of twin primes arising in A074326.
%F A074327 a(n) = prime(m) where m=2^x and prime(m+1)-prime(m) = 2.
%F A074327 a(n) = A033844(A074326(n)). - _Michel Marcus_, Aug 28 2019
%e A074327 8th term in A074326 is 39, so prime[549755813888]=16149760533341=a(8) and 16149760533343 is the larger twin.
%t A074327 s=0; Do[s=Prime[1+2^n]-Prime[2^n]; If[s==2, Print[Prime[2^n]]], {n, 1, 40}]
%Y A074327 Cf. A051439, A033844, A073798, A000079, A074325, A074326.
%K A074327 more,nonn
%O A074327 1,1
%A A074327 _Labos Elemer_, Aug 21 2002
%E A074327 Corrected and extended by _Michel Marcus_, Aug 28 2019