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 A032860 #18 Aug 22 2021 09:20:53
%S A032860 0,1,2,3,4,5,10,11,15,16,17,20,21,22,23,26,27,28,29,51,52,53,54,57,58,
%T A032860 59,76,77,78,79,82,83,84,88,89,101,102,103,104,107,108,109,113,114,
%U A032860 119,130,135,136,140,141,142,145,146,147,148,255
%N A032860 Numbers whose base-5 representation Sum_{i=0..m} d(i)*5^i has d(m) > d(m-1) < d(m-2) > ...
%Y A032860 Cf. A007091.
%Y A032860 Cf. A032858..A032865 for bases 3..10.
%Y A032860 Cf. A306106..A306111 and A297147 for bases 3..9 and 10.
%K A032860 nonn,base
%O A032860 1,3
%A A032860 _Clark Kimberling_
%E A032860 a(1)=0 inserted by _Georg Fischer_, Dec 18 2020