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%I #6 Oct 21 2019 14:47:46
%S 0,1,3,7,13,15,37,55,61,63,175,229,247,253,255,295,781,943,997,1015,
%T 1021,1023,1909,3367,3853,4015,4069,4087,4093,4095,6487,9823,14197,
%U 15655,16141,16303,16357,16375,16381,16383,45853,58975,63349,64807,65293,65455
%N Monotonic ordering of nonnegative differences 4^i-3^j, for 40>=i>=0, j>=0.
%t c = 4; d = 3; t[i_, j_] := c^i - d^j;
%t u = Table[t[i, j], {i, 0, 40}, {j, 0, i*Log[d, c]}];
%t v = Union[Flatten[u ]]
%Y Cf. A192147.
%K nonn
%O 1,3
%A _Clark Kimberling_, Jun 24 2011
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