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%I #6 Oct 21 2019 15:00:13
%S 0,3,8,15,56,63,192,248,255,512,960,1016,1023,3584,4032,4088,4095,
%T 12288,15872,16320,16376,16383,32768,61440,65024,65472,65528,65535,
%U 229376,258048,261632,262080,262136,262143,786432,1015808,1044480,1048064,1048512,1048568
%N Monotonic ordering of nonnegative differences 4^i-8^j, for 40>= i>=0, j>=0.
%t c = 4; d = 8; 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. A192168.
%K nonn
%O 1,2
%A _Clark Kimberling_, Jun 24 2011
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