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 A050078 #10 Jul 04 2021 13:44:31 %S A050078 1,2,3,4,6,8,9,10,11,12,14,17,18,20,21,22,23,24,25,27,30,31,33,35,36, %T A050078 38,39,41,43,44,47,48,50,51,54,55,56,58,59,60,62,65,66,67,70,71,73,75, %U A050078 76,77,78,81,82,83,85,86,89,90,91,92,93,94 %N A050078 Numbers k such that A050076(k) < A050076(k+1). %K A050078 nonn %O A050078 1,2 %A A050078 _Clark Kimberling_