A192170 Monotonic ordering of nonnegative differences 9^i-4^j, for 40>= i>=0, j>=0.

0, 5, 8, 17, 65, 77, 80, 473, 665, 713, 725, 728, 2465, 5537, 6305, 6497, 6545, 6557, 6560, 42665, 54953, 58025, 58793, 58985, 59033, 59045, 59048, 269297, 465905, 515057, 527345, 530417, 531185, 531377, 531425, 531437, 531440, 588665, 3734393, 4520825

Offset

1,2

Links

Table of n, a(n) for n=1..40.

Mathematica

c = 9; d = 4; 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 ]]

Crossrefs

Cf. A192169.

Sequence in context: A261808 A057592 A246638 * A280251 A104321 A196934

Adjacent sequences: A192167 A192168 A192169 * A192171 A192172 A192173

Keyword

nonn

Author

Clark Kimberling, Jun 24 2011

Status

approved