%I #7 Oct 21 2019 15:09:24
%S 0,4,16,24,44,116,124,544,616,624,2396,3044,3116,3124,9064,14896,
%T 15544,15616,15624,19076,71564,77396,78044,78116,78124,331576,384064,
%U 389896,390544,390616,390624,1421684,1894076,1946564,1952396,1953044,1953116,1953124
%N Monotonic ordering of nonnegative differences 5^i-9^j, for 40>= i>=0, j>=0.
%t c = 5; d = 9; 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. A192200.
%K nonn
%O 1,2
%A _Clark Kimberling_, Jun 25 2011
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