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 A050107 #10 Jul 04 2021 13:56:03 %S A050107 3,6,10,12,13,16,18,22,23,26,27,31,33,35,37,39,41,44,46,51,53,54,57, %T A050107 59,60,63,66,67,69,71,74,76,81,83,84,86,88,90,93,95,97,99,102,105,107, %U A050107 109,111,113,116,118,121,122,125,126,129,132 %N A050107 Numbers k such that A050104(k) > A050104(k+1). %K A050107 nonn %O A050107 1,1 %A A050107 _Clark Kimberling_