The On-Line Encyclopedia of Integer Sequences (OEIS)

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A192201

Monotonic ordering of nonnegative differences 5^i-10^j, for 40>= i>=0, j>=0.
(history; published version)

#7 by Susanna Cuyler at Mon Oct 21 15:11:00 EDT 2019

STATUS

editing

approved

#6 by Susanna Cuyler at Mon Oct 21 15:10:59 EDT 2019

NAME

Monotonic ordering of nonnegative differences 5^i-10^j, for 40>= i>=0, j>=0.

STATUS

approved

editing

#5 by Russ Cox at Fri Mar 30 18:57:34 EDT 2012

AUTHOR

_Clark Kimberling (ck6(AT)evansville.edu), _, Jun 25 2011

Discussion

Fri Mar 30

18:57

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

#4 by Joerg Arndt at Sun Jun 26 08:29:12 EDT 2011

STATUS

reviewed

approved

#3 by Joerg Arndt at Sun Jun 26 06:58:14 EDT 2011

STATUS

proposed

reviewed

#2 by Clark Kimberling at Sat Jun 25 10:57:17 EDT 2011

NAME

allocated Monotonic ordering of nonnegative differences 5^i-10^j, for Clark Kimberlingi>=0, j>=0.

DATA

0, 4, 15, 24, 25, 115, 124, 525, 615, 624, 2125, 3025, 3115, 3124, 5625, 14625, 15525, 15615, 15624, 68125, 77125, 78025, 78115, 78124, 290625, 380625, 389625, 390525, 390615, 390624, 953125, 1853125, 1943125, 1952125, 1953025, 1953115, 1953124, 8765625

OFFSET

1,2

MATHEMATICA

c = 5; d = 10; 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. A192202.

KEYWORD

allocated

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu), Jun 25 2011

STATUS

approved

proposed

#1 by Clark Kimberling at Sat Jun 25 10:34:35 EDT 2011

NAME

allocated for Clark Kimberling

KEYWORD

allocated

STATUS

approved