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 A075996 #22 Sep 08 2022 08:45:07 %S A075996 7,37,277,10301051460914430942120966371077, %T A075996 599003433304810403471724557167760804513610446042757207757 %N A075996 Primes of the form 2 + 2^n + 3^n. %H A075996 Charles R Greathouse IV, <a href="/A075996/b075996.txt">Table of n, a(n) for n = 1..7</a> %o A075996 (Magma) [ a: n in [0..250] | IsPrime(a) where a is 2+2^n+3^n ]; // _Vincenzo Librandi_, Dec 16 2010 %o A075996 (PARI) for(n=1, 100, if(ispseudoprime(t=3^n+2^n+2), print1(t", "))) \\ _Charles R Greathouse IV_, Jun 08 2016 %Y A075996 Cf. A076513, A173657. %K A075996 nonn %O A075996 1,1 %A A075996 _Zak Seidov_, Oct 17 2002