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 A043544 #7 Mar 09 2021 18:24:15
%S A043544 12,16,18,24,30,32,36,40,42,48,54,56,60,64,66,72,78,80,84,90,96,100,
%T A043544 102,108,112,114,120,126,128,132,138,140,144,150,156,160,162,168,174,
%U A043544 176,180,186,192,196,198,200,204,208,210,216,220
%N A043544 Numbers k such that s(k)<s(k-1), where s(k)=sum of all digits in all base b representations of k, for 2<=b<=k.
%F A043544 A = {k: A043306(k) < A043306(k - 1)}. - _Sean A. Irvine_, Mar 09 2021
%Y A043544 Cf. A043306.
%K A043544 nonn,base
%O A043544 1,1
%A A043544 _Clark Kimberling_