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 A032879 #9 Feb 12 2021 21:36:04
%S A032879 1,2,3,4,5,6,7,10,11,12,13,14,15,19,20,21,22,23,28,29,30,31,37,38,39,
%T A032879 46,47,55,65,66,67,68,69,70,71,129,130,131,132,133,134,135,138,139,
%U A032879 140,141,142,143,193,194,195,196,197,198,199,202
%N A032879 Numbers whose that base-8 representation Sum_{i=0..m} d(i)*8^i has d(0) > d(1) < d(2) > ...
%K A032879 nonn,base
%O A032879 1,2
%A A032879 _Clark Kimberling_