A192154 - OEIS

%I #6 Oct 21 2019 14:50:22

%S 0,4,6,22,40,46,48,100,214,262,316,334,340,342,1672,2158,2320,2374,

%T 2392,2398,2400,10246,14620,16078,16564,16726,16780,16798,16804,16806,

%U 58600,97966,111088,115462,116920,117406,117568,117622,117640,117646,117648,292102

%N Monotonic ordering of nonnegative differences 7^i-3^j, for 40>= i>=0, j>=0.

%t c = 7; 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. A192153.

%K nonn

%O 1,2

%A _Clark Kimberling_, Jun 24 2011