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 A176947 #20 Aug 18 2025 11:54:55 %S A176947 2,13,14657 %N A176947 Primes of the form 11^k + 2^k. %C A176947 If a(4) exists, its corresponding k > 10^5. - _Michael S. Branicky_, Aug 14 2025 %o A176947 (Magma) [ a: n in [0..1500] | IsPrime(a) where a is 11^n+2^n ]; %K A176947 nonn,bref,hard %O A176947 1,1 %A A176947 _Vincenzo Librandi_, Apr 29 2010