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 A032862 #18 Aug 22 2021 09:21:10
%S A032862 0,1,2,3,4,5,6,7,14,15,21,22,23,28,29,30,31,35,36,37,38,39,42,43,44,
%T A032862 45,46,47,50,51,52,53,54,55,99,100,101,102,103,104,107,108,109,110,
%U A032862 111,148,149,150,151,152,153,156,157,158,159,160,164
%N A032862 Numbers whose base-7 representation Sum_{i=0..m} d(i)*7^i has d(m) > d(m-1) < d(m-2) > ...
%Y A032862 Cf. A007093.
%Y A032862 Cf. A032858..A032865 for bases 3..10.
%Y A032862 Cf. A306106..A306111 and A297147 for bases 3..9 and 10.
%K A032862 nonn,base
%O A032862 1,3
%A A032862 _Clark Kimberling_
%E A032862 a(1)=0 inserted by _Georg Fischer_, Dec 18 2020