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 A179511 #8 Jan 23 2024 03:20:34 %S A179511 1,4,15,77,543,5005,58671,845879,14636427,297816383,7007621133, %T A179511 188075111317,5691796357357,192358193107653 %N A179511 a(1) = 1, a(n) = prime(a(n-1)) + 2*a(n-1). %t A179511 NestList[ Prime@# + 2# &, 1, 13] %Y A179511 Cf. A007097, A074271, A179274, A179512, A179513, A179514, A179515, A179516, A179517, A179518. %K A179511 nonn,more %O A179511 1,2 %A A179511 _Robert G. Wilson v_, Jul 17 2010