A192199 Monotonic ordering of nonnegative differences 5^i-9^j, for 40>= i>=0, j>=0.

0, 4, 16, 24, 44, 116, 124, 544, 616, 624, 2396, 3044, 3116, 3124, 9064, 14896, 15544, 15616, 15624, 19076, 71564, 77396, 78044, 78116, 78124, 331576, 384064, 389896, 390544, 390616, 390624, 1421684, 1894076, 1946564, 1952396, 1953044, 1953116, 1953124

Offset: 1

Author

Clark Kimberling, Jun 25 2011

Keywords

• nonn

Crossrefs

Cf. A192200.

Programs

Mathematica

c = 5; d = 9; t[i_, j_] := c^i - d^j;
u = Table[t[i, j], {i, 0, 40}, {j, 0, i*Log[d, c]}];
v = Union[Flatten[u ]]