The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A081960

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A081960

Row products of A081957.
(history; published version)

#7 by Joerg Arndt at Tue Jan 19 01:09:38 EST 2021

STATUS

reviewed

approved

#6 by Michel Marcus at Tue Jan 19 01:00:29 EST 2021

STATUS

proposed

reviewed

#5 by James Rayman at Mon Jan 18 21:19:22 EST 2021

STATUS

editing

proposed

#4 by James Rayman at Mon Jan 18 21:18:07 EST 2021

DATA

2, 48, 25920, 522547200, 632073093120000, 68810005209415680000000, 922882872556916481982464000000000, 1930928443374224487368323197252403200000000000, 848408612299117898787190662782756632189835673600000000000000

EXTENSIONS

More terms from James Rayman, Jan 18 2021

#3 by James Rayman at Mon Jan 18 21:16:03 EST 2021

LINKS

James Rayman, <a href="/A081960/b081960.txt">Table of n, a(n) for n = 1..30</a>

PROG

(Python)

from functools import reduce

import operator

def a(n): return reduce(operator.mul, row(n), 1) # row(n) is given in A081957. - James Rayman, Jan 18 2021

STATUS

approved

editing

#2 by N. J. A. Sloane at Thu Dec 05 19:56:03 EST 2013

AUTHOR

_Amarnath Murthy (amarnath_murthy(AT)yahoo.com), _, Apr 02 2003

Discussion

Thu Dec 05

19:56

OEIS Server: https://oeis.org/edit/global/2075

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

NAME

Row products of A081957.

DATA

2, 48, 25920, 522547200, 632073093120000, 68810005209415680000000, 922882872556916481982464000000000, 1930928443374224487368323197252403200000000000

OFFSET

1,1

CROSSREFS

Cf. A081957, A081958, A081959.

KEYWORD

nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Apr 02 2003

EXTENSIONS

Corrected and extended by Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 08 2003

STATUS

approved