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 A050099 #10 Jul 04 2021 13:51:00 %S A050099 2,4,6,7,9,10,13,14,15,17,18,21,22,23,25,26,29,30,31,32,36,37,38,40, %T A050099 41,42,44,45,47,48,50,51,52,54,56,57,59,60,62,63,66,67,68,69,72,73,74, %U A050099 76,77,79,80,85,86,87,88,89,91,92,93,95,96 %N A050099 Numbers k such that A050096(k) > A050096(k+1). %K A050099 nonn %O A050099 1,1 %A A050099 _Clark Kimberling_