The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A192122 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A192122

Monotonic ordering of nonnegative differences 2^i-9^j, for 40>=i>=0, j>=0.
(history; published version)

#6 by Susanna Cuyler at Mon Oct 21 14:39:41 EDT 2019

STATUS

editing

approved

#5 by Susanna Cuyler at Mon Oct 21 14:39:38 EDT 2019

NAME

Monotonic ordering of nonnegative differences 2^i-9^j, for 40>=i>=0, j>=0.

STATUS

approved

editing

#4 by Russ Cox at Fri Mar 30 18:57:33 EDT 2012

AUTHOR

_Clark Kimberling (ck6(AT)evansville.edu), _, Jun 23 2011

Discussion

Fri Mar 30

18:57

OEIS Server: https://oeis.org/edit/global/285

#3 by T. D. Noe at Thu Jun 23 21:16:18 EDT 2011

STATUS

proposed

approved

#2 by Clark Kimberling at Thu Jun 23 16:12:32 EDT 2011

NAME

allocated Monotonic ordering of nonnegative differences 2^i-9^j, for Clark Kimberlingi>=0, j>=0.

DATA

0, 1, 3, 7, 15, 23, 31, 47, 55, 63, 119, 127, 175, 247, 255, 295, 431, 503, 511, 943, 1015, 1023, 1319, 1631, 1967, 2039, 2047, 3367, 4015, 4087, 4095, 6487, 7463, 8111, 8183, 8191, 9823, 15655, 16303, 16375, 16383, 26207, 32039, 32687, 32759, 32767, 58975

OFFSET

1,3

MATHEMATICA

c = 2; 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 ]]

CROSSREFS

Cf. A192123.

KEYWORD

allocated

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu), Jun 23 2011

STATUS

approved

proposed

#1 by Clark Kimberling at Thu Jun 23 15:38:00 EDT 2011

NAME

allocated for Clark Kimberling

KEYWORD

allocated

STATUS

approved