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Revision History for A067050

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Triangle T(n,r), n>=0, r=n, n-1, ..., 1, 0; where T(n,r) = product of all possible sums of r numbers chosen from [1..n].
(history; published version)
#7 by N. J. A. Sloane at Thu Dec 05 19:55:07 EST 2013
AUTHOR

_Amarnath Murthy (amarnath_murthy(AT)yahoo.com), _, Dec 30 2001

Discussion
Thu Dec 05
19:55
OEIS Server: https://oeis.org/edit/global/2075
#6 by Charles R Greathouse IV at Fri May 10 12:44:57 EDT 2013
EXTENSIONS

Corrected and extended by _Vladeta Jovovic (vladeta(AT)eunet.rs), _, Dec 31 2001

Discussion
Fri May 10
12:44
OEIS Server: https://oeis.org/edit/global/1911
#5 by Charles R Greathouse IV at Thu Sep 20 16:51:03 EDT 2012
STATUS

editing

approved

#4 by Charles R Greathouse IV at Thu Sep 20 16:51:02 EDT 2012
LINKS

M. L. Perez et al., eds., <a href="http://www.gallup.unm.edu/~smarandache/">Smarandache Notions Journal</a>

STATUS

approved

editing

#3 by N. J. A. Sloane at Tue Jun 01 03:00:00 EDT 2010
KEYWORD

nonn,tabl,new

EXTENSIONS

Corrected and extended by Vladeta Jovovic (vladeta(AT)Euneteunet.yurs), Dec 31 2001

#2 by N. J. A. Sloane at Fri Sep 29 03:00:00 EDT 2006
REFERENCES

Amarnath Murthy, Smarandache Dual Symmetric Functions and Corresponding numbers of the type of Stirling numbers of the first kind, Smarandache Notions Journal, Vol. 12 No. 1-2-3, Spring 2001.

KEYWORD

nonn,tabl,new

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

Triangle T(n,r), n>=0, r=n, n-1, ..., 1, 0; where T(n,r) = product of all possible sums of r numbers chosen from [1..n].

DATA

1, 1, 1, 3, 2, 1, 6, 60, 6, 1, 10, 3024, 12600, 24, 1, 15, 240240, 2874009600, 38102400, 120, 1, 21, 27907200, 129470223826944000, 159950125679984640000, 2112397056000, 720, 1, 28, 4475671200, 1754345199379977566208000000

OFFSET

0,4

COMMENTS

A dual to the triangle of the absolute values of Stirling numbers (sum of products) of the first kind.

REFERENCES

Amarnath Murthy,Smarandache Dual Symmetric Functions and Corresponding numbers of the type of Stirling numbers of the first kind, Smarandache Notions Journal, Vol. 12 No. 1-2-3, Spring 2001.

LINKS

M. L. Perez et al., eds., <a href="http://www.gallup.unm.edu/~smarandache/">Smarandache Notions Journal</a>

EXAMPLE

E.g. T(4,3) = (1+2+3)*(1+2+4)*(1+3+4)*(2+3+4)=3024.

CROSSREFS

Row sums give A061296.

KEYWORD

nonn,tabl

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Dec 30 2001

EXTENSIONS

Corrected and extended by Vladeta Jovovic (vladeta(AT)Eunet.yu), Dec 31 2001

STATUS

approved