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 A032852 #9 Feb 12 2021 21:05:20
%S A032852 1,2,3,4,6,7,8,9,12,13,14,18,19,24,30,31,35,36,37,40,41,42,43,45,46,
%T A032852 47,48,49,60,61,62,65,66,67,68,70,71,72,73,74,90,91,92,93,95,96,97,98,
%U A032852 99,120,121,122,123,124,150,151,152,153,154,156
%N A032852 Numbers whose base-5 representation Sum_{i=0..m} d(i)*5^i has d(m) <= d(m-1) >= d(m-2) <= ...
%K A032852 nonn,base
%O A032852 1,2
%A A032852 _Clark Kimberling_