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 A050014 #10 Jul 04 2021 13:40:06 %S A050014 1,3,7,8,13,14,21,22,23,28,33,39,40,41,42,51,55,58,61,67,68,72,78,81, %T A050014 84,88,94,95,102,104,110,111,117,118,126,127,131,134,139,142,145,149, %U A050014 154,157,162,166,171,172,179,180,184,188,194 %N A050014 Numbers k such that A050012(k) < A050012(k+1). %K A050014 nonn,easy %O A050014 1,2 %A A050014 _Clark Kimberling_