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A192148 Monotonic ordering of nonnegative differences 4^i-3^j, for 40>=i>=0, j>=0. 2
0, 1, 3, 7, 13, 15, 37, 55, 61, 63, 175, 229, 247, 253, 255, 295, 781, 943, 997, 1015, 1021, 1023, 1909, 3367, 3853, 4015, 4069, 4087, 4093, 4095, 6487, 9823, 14197, 15655, 16141, 16303, 16357, 16375, 16381, 16383, 45853, 58975, 63349, 64807, 65293, 65455 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..46.

MATHEMATICA

c = 4; d = 3; 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. A192147.

Sequence in context: A164344 A002254 A060657 * A151875 A117533 A065057

Adjacent sequences:  A192145 A192146 A192147 * A192149 A192150 A192151

KEYWORD

nonn,changed

AUTHOR

Clark Kimberling, Jun 24 2011

STATUS

approved

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Last modified October 22 09:56 EDT 2019. Contains 328315 sequences. (Running on oeis4.)