%I #6 Oct 21 2019 14:58:44
%S 0,2,5,20,32,35,152,200,212,215,272,1040,1232,1280,1292,1295,3680,
%T 6752,7520,7712,7760,7772,7775,17792,30272,42560,45632,46400,46592,
%U 46640,46652,46655,214400,263552,275840,278912,279680,279872,279920,279932,279935
%N Monotonic ordering of nonnegative differences 6^i-4^j, for 40>= i>=0, j>=0.
%t c = 6; d = 4; 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. A192163.
%K nonn
%O 1,2
%A _Clark Kimberling_, Jun 24 2011