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 A050110 #10 Jul 04 2021 13:56:44 %S A050110 1,2,4,6,9,10,13,14,17,18,19,22,25,27,29,31,32,33,34,39,41,43,44,48, %T A050110 50,51,54,56,58,60,62,64,66,69,71,74,75,78,80,81,85,87,89,91,93,95,96, %U A050110 99,101,104,105,108,110,112,114,117,119,121 %N A050110 Numbers k such that A050108(k) < A050108(k+1). %K A050110 nonn %O A050110 1,2 %A A050110 _Clark Kimberling_