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 A192117 #6 Oct 21 2019 14:30:37
%S A192117 0,2,4,5,20,28,32,34,35,88,152,184,200,208,212,214,215,272,784,1040,
%T A192117 1168,1232,1264,1280,1288,1292,1294,1295,3680,5728,6752,7264,7520,
%U A192117 7648,7712,7744,7760,7768,7772,7774,7775,13888,17792,30272,38464,42560,44608
%N A192117 Monotonic ordering of nonnegative differences 6^i-2^j, for 40>=i>=0, j>=0.
%t A192117 c = 6; d = 2; t[i_, j_] := c^i - d^j;
%t A192117 u = Table[t[i, j], {i, 0, 40}, {j, 0, i*Log[d, c]}];
%t A192117 v = Union[Flatten[u ]]
%Y A192117 Cf. A192116.
%K A192117 nonn
%O A192117 1,2
%A A192117 _Clark Kimberling_, Jun 23 2011