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 A192197 #6 Oct 21 2019 15:08:36
%S A192197 0,4,17,24,61,113,117,124,561,617,624,2613,3061,3117,3124,11529,15113,
%T A192197 15561,15617,15624,45357,74029,77613,78061,78117,78124,128481,357857,
%U A192197 386529,390113,390561,390617,390624,1690981,1920357,1949029,1952613,1953061,1953117
%N A192197 Monotonic ordering of nonnegative differences 5^i-8^j, for 40>= i>=0, j>=0.
%t A192197 c = 5; d = 8; t[i_, j_] := c^i - d^j;
%t A192197 u = Table[t[i, j], {i, 0, 40}, {j, 0, i*Log[d, c]}];
%t A192197 v = Union[Flatten[u ]]
%Y A192197 Cf. A192198.
%K A192197 nonn
%O A192197 1,2
%A A192197 _Clark Kimberling_, Jun 25 2011