The On-Line Encyclopedia of Integer Sequences (OEIS)

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A046535

First denominator and then numerator of each element of the 1/3-Pascal triangle (by row).
(history; published version)

#10 by N. J. A. Sloane at Sat Jun 22 16:05:39 EDT 2013

AUTHOR

__Mohammad K. Azarian__

Discussion

Sat Jun 22

16:05

OEIS Server: https://oeis.org/edit/global/1931

#9 by N. J. A. Sloane at Fri Jun 21 12:50:20 EDT 2013

AUTHOR

__Mohammad K. Azarian__

Discussion

Fri Jun 21

12:50

OEIS Server: https://oeis.org/edit/global/1930

#8 by Joerg Arndt at Tue Apr 16 13:40:58 EDT 2013

STATUS

proposed

approved

#7 by Michel Marcus at Tue Apr 16 13:24:50 EDT 2013

STATUS

editing

proposed

#6 by Michel Marcus at Tue Apr 16 13:24:46 EDT 2013

EXAMPLE

1/1; 1/1 1/1; 1/1 1/3 1/1; 1/1 4/3 4/3 1/1; 1/1 7/3 8/3 7/3 1/1; 1/1 10/3 5/1 5/1 10/3 1/1; 1/1 13/3 25/3 10/1 25/3 13/3 1/1; 1/1 16/3 38/3 55/3 55/3 38/3 16/3 1/1; ...

1/1; --> 1 1

1/1 1/1; --> 1 1 1 1

1/1 1/3 1/1; --> 1 1 3 1 1 1

1/1 4/3 4/3 1/1; --> ...

1/1 7/3 8/3 7/3 1/1;

1/1 10/3 5/1 5/1 10/3 1/1;

1/1 13/3 25/3 10/1 25/3 13/3 1/1;

1/1 16/3 38/3 55/3 55/3 38/3 16/3 1/1; ...

KEYWORD

tabl,tabf,nonn,easy,frac,less

STATUS

approved

editing

#5 by Russ Cox at Sat Mar 31 13:23:50 EDT 2012

AUTHOR

_Mohammad K. Azarian (ma3(AT)evansville.edu)_

Discussion

Sat Mar 31

13:23

OEIS Server: https://oeis.org/edit/global/890

#4 by N. J. A. Sloane at Sat Sep 13 03:00:00 EDT 2003

KEYWORD

tabl,nonn,easy,new

AUTHOR

Mohammad K. Azarian, (ma3(AT)cedar.evansville.edu)

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

KEYWORD

tabl,nonn,easy,new

AUTHOR

Mohammad K. Azarian, ma3@(AT)cedar.evansville.edu

EXTENSIONS

Corrected by Larry Reeves (larryr@(AT)acm.org), Apr 06 2000

#2 by N. J. A. Sloane at Mon May 08 03:00:00 EDT 2000

DATA

1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 3, 4, 3, 4, 1, 1, 1, 1, 3, 7, 3, 8, 3, 7, 1, 1, 1, 1, 3, 10, 1, 5, 1, 5, 3, 10, 1, 1, 1, 1, 3, 13, 3, 25, 1, 10, 3, 25, 3, 13, 1, 1, 1, 1, 3, 16, 3, 38, 3, 55, 3, 55, 3, 38, 3, 16, 1, 1, 1, 1, 3, 19, 1, 18, 3, 93, 1, 31, 3, 110, 3, 93, 1, 31, 1, 18, 3, 19, 1, 1, 1, 1, 3

EXAMPLE

1/1; 1/1 1/1; 1/1 1/3 1/1; 1/1 4/3 4/3 1/1; 1/1 7/3 8/3 7/3 1/1; 1/1 10/3 5/1 5/1 10/3 1/1; 1/1 13/3 25/3 10/1 25/3 13/3 1/1; 1/1 16/3 38/3 55/3 55/3 38/3 16/3 1/1; . . .

CROSSREFS

Cf. A046534.

KEYWORD

tabl,nonn,neweasy

EXTENSIONS

Corrected by Larry Reeves (larryr@acm.org), Apr 06 2000

#1 by N. J. A. Sloane at Sat Dec 11 03:00:00 EST 1999

NAME

First denominator and then numerator of each element of the 1/3-Pascal triangle (by row).

DATA

OFFSET

1,9

EXAMPLE

1/1; 1/1 1/1; 1/1 1/3 1/1; 1/1 4/3 4/3 1/1; 1/1 7/3 8/3 7/3 1/1; 1/1 10/3 5/1 5/1 10/3 1/1; 1/1 13/3 25/3 10/1 25/3 13/3 1/1; 1/1 16/3 38/3 55/3 55/3 38/3 16/3 1/1; . . .

CROSSREFS

Cf. A046534

KEYWORD

tabl,nonn

AUTHOR

Mohammad K. Azarian, ma3@cedar.evansville.edu

STATUS

approved