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A064120 A036981(n)/n!^2. 1
1, 6, 180, 873600, 772107033600 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

LINKS

Index entries for sequences related to tournaments

CROSSREFS

Sequence in context: A141121 A176730 A051357 * A041429 A089905 A012208

Adjacent sequences:  A064117 A064118 A064119 * A064121 A064122 A064123

KEYWORD

nonn,hard

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Dec 01 2001

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Last modified February 16 02:51 EST 2012. Contains 205860 sequences.