%I #6 Oct 21 2019 14:27:39

%S 0,2,3,8,12,14,15,32,48,56,60,62,63,128,192,224,240,248,252,254,255,

%T 512,768,896,960,992,1008,1016,1020,1022,1023,2048,3072,3584,3840,

%U 3968,4032,4064,4080,4088,4092,4094,4095,8192,12288,14336,15360,15872,16128

%N Monotonic ordering of nonnegative differences 4^i-2^j, for 40>=i>=0, j>=0.

%t c = 4; d = 2; 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. A192112.

%K nonn

%O 1,2

%A _Clark Kimberling_, Jun 23 2011