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 A050199 #14 Jul 04 2021 15:36:31 %S A050199 6,8,10,12,14,15,17,18,20,22,24,26,28,30,32,33,35,36,38,39,40,42,44, %T A050199 45,47,48,50,52,54,55,57,59,60,62,64,65,67,69,70,72,74,76,78,80,81,82, %U A050199 84,86,87,89,90,92,93,95,97,99,101,103,104 %N A050199 Numbers k such that A050196(k) > A050196(k+1). %H A050199 Ivan Neretin, <a href="/A050199/b050199.txt">Table of n, a(n) for n = 1..10000</a> %K A050199 nonn %O A050199 1,1 %A A050199 _Clark Kimberling_