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 A116111 #9 Aug 02 2025 17:02:31 %S A116111 1,2,3,4,8,9,11,15,21,27,34,40,47,51,62,65,67,72,76,77,99,110,129,133, %T A116111 145,158,168,175,183,192,216,225,250,278 %N A116111 Where records occur in A051169. %Y A116111 Cf. A051169, A051610. %K A116111 nonn %O A116111 1,2 %A A116111 Paul Bruckman (pbruckman(AT)hotmail.com) %E A116111 Edited by _N. J. A. Sloane_, Apr 15 2007, Jun 10 2008