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 A032887 #9 Feb 12 2021 21:37:41 %S A032887 1,2,3,4,5,6,7,8,16,17,24,25,26,32,33,34,35,40,41,42,43,44,48,49,50, %T A032887 51,52,53,56,57,58,59,60,61,62,80,81,88,89,90,96,97,98,99,104,105,106, %U A032887 107,108,112,113,114,115,116,117,120,121,122,123 %N A032887 Numbers whose base-8 representation Sum_{i=0..m} d(i)*8^i has d(0) < d(1) > d(2) < ... %K A032887 nonn,base %O A032887 1,2 %A A032887 _Clark Kimberling_