The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A046200 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A046200

Odd numbers in the triangle of denominators in Leibniz's Harmonic Triangle.
(history; published version)

#12 by N. J. A. Sloane at Sat Jun 22 16:05:38 EDT 2013

AUTHOR

__Mohammad K. Azarian__

Discussion

Sat Jun 22

16:05

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

#11 by N. J. A. Sloane at Fri Jun 21 12:50:18 EDT 2013

AUTHOR

__Mohammad K. Azarian__

Discussion

Fri Jun 21

12:50

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

#10 by Joerg Arndt at Tue Apr 16 13:39:22 EDT 2013

STATUS

proposed

approved

#9 by Michel Marcus at Tue Apr 16 13:35:46 EDT 2013

STATUS

editing

proposed

#8 by Michel Marcus at Tue Apr 16 13:35:35 EDT 2013

EXAMPLE

1/1; 1/2, 1/2; 1/3, 1/6, 1/3; 1/4, 1/12, 1/12, 1/4; 1/5, 1/20, 1/30, 1/20, 1/5; ...

1/1; --> 1

1/2, 1/2; -->

1/3, 1/6, 1/3; --> 3 3

1/4, 1/12, 1/12, 1/4; --> ...

1/5, 1/20, 1/30, 1/20, 1/5; ...

KEYWORD

tabl,tabf,nonn,easy,less

STATUS

approved

editing

#7 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

#6 by Russ Cox at Sat Mar 31 10:30:18 EDT 2012

EXTENSIONS

More terms from _James A. Sellers (sellersj(AT)math.psu.edu), _, Dec 13 1999

Discussion

Sat Mar 31

10:30

OEIS Server: https://oeis.org/edit/global/639

#5 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)

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

CROSSREFS

Cf. A003506.

KEYWORD

tabl,nonn,easy,new

AUTHOR

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

EXTENSIONS

More terms from James A. Sellers (sellersj@cedarville(AT)math.psu.edu), Dec 13 1999

#3 by N. J. A. Sloane at Sat Jul 22 03:00:00 EDT 2000

REFERENCES

L. Comtet, Advanced Combinatorics, Reidel, 1974, p. 83, Problem 25.

KEYWORD

tabl,nonn,easy,new