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 A032873 #9 Feb 12 2021 21:15:09
%S A032873 1,2,3,4,5,6,7,8,9,10,11,20,21,22,30,31,32,33,40,41,42,43,44,50,51,52,
%T A032873 53,54,55,60,61,62,63,64,65,66,70,71,72,73,74,75,76,77,80,81,82,83,84,
%U A032873 85,86,87,88,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,111,112
%N A032873 Numbers whose base-10 representation Sum_{i=0..m} d(i)*10^i has d(m) >= d(m-1) <= d(m-2) >= ...
%Y A032873 Contains 100 so differs from A032907, contains 101 so differs from A009996.
%K A032873 nonn,base
%O A032873 1,2
%A A032873 _Clark Kimberling_