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 A192115 #6 Oct 21 2019 14:28:39
%S A192115 0,1,3,4,9,17,21,23,24,61,93,109,113,117,121,123,124,369,497,561,593,
%T A192115 609,617,621,623,624,1077,2101,2613,2869,2997,3061,3093,3109,3117,
%U A192115 3121,3123,3124,7433,11529,12589,13577,14601,15113,15369,15497,15561,15593
%N A192115 Monotonic ordering of nonnegative differences 5^i-2^j, for 40>=i>=0, j>=0.
%t A192115 c = 5; d = 2; t[i_, j_] := c^i - d^j;
%t A192115 u = Table[t[i, j], {i, 0, 40}, {j, 0, i*Log[d, c]}];
%t A192115 v = Union[Flatten[u ]]
%Y A192115 Cf. A192114.
%K A192115 nonn
%O A192115 1,3
%A A192115 _Clark Kimberling_, Jun 23 2011