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Revision History for A069012

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Number of distinct representations of n as the ratio A/B, where A and B taken together are pandigital (i.e., contains all digits 0 through 9 once).
(history; published version)
#9 by Michael De Vlieger at Thu Mar 28 21:57:47 EDT 2024
STATUS

proposed

approved

#8 by Sean A. Irvine at Thu Mar 28 18:29:37 EDT 2024
STATUS

editing

proposed

#7 by Sean A. Irvine at Thu Mar 28 18:17:04 EDT 2024
DATA

48, 6, 8, 12, 0, 1, 16, 3, 0, 0, 1, 1, 6, 3, 1, 19, 6, 4, 12, 0, 3, 3, 4, 3, 9, 2, 1, 8, 2, 0, 16, 1, 3, 14, 0, 3, 7, 3, 4, 0, 3, 1, 13, 4, 1, 6, 0, 1, 12, 0, 2, 28, 1, 4, 6, 1, 3, 6, 3, 0, 28, 1, 1, 10, 1, 1, 4, 5, 7, 0, 3, 3, 11, 0, 2, 8, 1, 1, 46, 0, 0, 5

COMMENTS

The last nonzero term is a(987654320) = 1. Sean A. Irvine, Mar 28 2024

KEYWORD

fini,base,nonn

EXTENSIONS

More terms from Sean A. Irvine, Mar 28 2024

STATUS

approved

editing

#6 by Jon E. Schoenfield at Sun Jul 30 22:17:34 EDT 2017
STATUS

editing

approved

#5 by Jon E. Schoenfield at Sun Jul 30 22:17:25 EDT 2017
NAME

Number of distinct representations of n as the ratio A/B, where A and B taken together are pandigital (i.e. , contains all digits 0 through 9 once).

EXAMPLE

For instance, 9 has the a(9)=3 pandigital ratio expressions 97524/10836 = 95823/10647 = 95742/10638.

STATUS

approved

editing

#4 by Russ Cox at Sat Mar 31 10:25:59 EDT 2012
AUTHOR

_Lekraj Beedassy (blekraj(AT)yahoo.com), _, Apr 02 2002

Discussion
Sat Mar 31
10:26
OEIS Server: https://oeis.org/edit/global/489
#3 by N. J. A. Sloane at Sun Jun 29 03:00:00 EDT 2008
KEYWORD

fini,base,nonn,new

AUTHOR

Lekraj Beedassy (boodhimanblekraj(AT)yahoo.com), Apr 02 2002

#2 by N. J. A. Sloane at Wed Sep 22 03:00:00 EDT 2004
KEYWORD

fini,base,nonn,new

AUTHOR

Lekraj Beedassy (beedassylekrajboodhiman(AT)hotmailyahoo.com), Apr 02 2002

#1 by N. J. A. Sloane at Fri May 16 03:00:00 EDT 2003
NAME

Number of distinct representations of n as the ratio A/B, where A and B taken together are pandigital (i.e. contains all digits 0 through 9 once).

DATA

48, 6, 8, 12, 0, 1, 16, 3

OFFSET

2,1

EXAMPLE

For instance,9 has the a(9)=3 pandigital ratio expressions 97524/10836=95823/10647=95742/10638.

KEYWORD

fini,base,nonn

AUTHOR

Lekraj Beedassy (beedassylekraj(AT)hotmail.com), Apr 02 2002

STATUS

approved