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 A050003 #11 Jul 04 2021 13:34:08 %S A050003 3,4,8,9,11,13,14,15,17,18,21,22,24,25,27,31,32,33,34,36,39,40,42,43, %T A050003 44,46,48,50,51,53,55,57,58,59,60,63,64,67,68,69,71,72,74,75,78,80,81, %U A050003 83,85,86,87,89,90,92,94,98,99,100,101,103 %N A050003 Numbers k such that A050000(k) > A050000(k+1). %K A050003 nonn,easy %O A050003 1,1 %A A050003 _Clark Kimberling_