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A192123 Monotonic ordering of nonnegative differences 9^i-2^j, for 40>= i>=0, j>=0. 3
0, 1, 5, 7, 8, 17, 49, 65, 73, 77, 79, 80, 217, 473, 601, 665, 697, 713, 721, 725, 727, 728, 2465, 4513, 5537, 6049, 6305, 6433, 6497, 6529, 6545, 6553, 6557, 6559, 6560, 7153, 26281, 42665, 50857, 54953, 57001, 58025, 58537, 58793, 58921, 58985, 59017 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..47.

MATHEMATICA

c = 9; d = 2; 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. A192122.

Sequence in context: A032683 A182005 A192285 * A104423 A011347 A296490

Adjacent sequences:  A192120 A192121 A192122 * A192124 A192125 A192126

KEYWORD

nonn

AUTHOR

Clark Kimberling, Jun 23 2011

STATUS

approved

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Last modified April 6 05:38 EDT 2020. Contains 333267 sequences. (Running on oeis4.)