A192171 - OEIS

A192171

Monotonic ordering of nonnegative differences 4^i-10^j, for 40>=i>=0, j>=0.

%I #7 Oct 21 2019 19:17:34

%S 0,3,6,15,24,54,63,156,246,255,924,1014,1023,3096,3996,4086,4095,6384,

%T 15384,16284,16374,16383,48576,55536,64536,65436,65526,65535,162144,

%U 252144,261144,262044,262134,262143,948576,1038576,1047576,1048476,1048566,1048575

%N Monotonic ordering of nonnegative differences 4^i-10^j, for 40>=i>=0, j>=0.

%t c = 4; d = 10; 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. A192172.

%K nonn

%O 1,2

%A _Clark Kimberling_, Jun 24 2011