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 A032888 #10 Feb 12 2021 21:37:48
%S A032888 1,2,3,4,5,6,7,8,9,18,19,27,28,29,36,37,38,39,45,46,47,48,49,54,55,56,
%T A032888 57,58,59,63,64,65,66,67,68,69,72,73,74,75,76,77,78,79,99,100,108,109,
%U A032888 110,117,118,119,120,126,127,128,129,130,135
%N A032888 Numbers whose base-9 representation Sum_{i=0..m} d(i)*9^i has d(0) < d(1) > d(2) < ...
%Y A032888 Different from A032864.
%K A032888 nonn,base
%O A032888 1,2
%A A032888 _Clark Kimberling_