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 A032870 #9 Feb 12 2021 22:06:19
%S A032870 1,2,3,4,5,6,7,8,14,15,16,21,22,23,24,28,29,30,31,32,35,36,37,38,39,
%T A032870 40,42,43,44,45,46,47,48,49,50,51,52,53,54,55,57,58,59,60,61,62,98,99,
%U A032870 100,101,102,103,104,106,107,108,109,110,111,114
%N A032870 Numbers whose base-7 representation Sum_{i=0..m} d(i)*7^i has d(m) >= d(m-1) <= d(m-2) >= ...
%K A032870 nonn,base
%O A032870 1,2
%A A032870 _Clark Kimberling_