A064120 A036981(n)/n!^2.

1, 6, 180, 873600, 772107033600

Offset

0,2

Links

Table of n, a(n) for n=0..4.

Index entries for sequences related to tournaments

Crossrefs

Sequence in context: A225776 A051357 A251671 * A041429 A089905 A222887

Adjacent sequences: A064117 A064118 A064119 * A064121 A064122 A064123

Keyword

nonn,hard

Author

N. J. A. Sloane, Dec 01 2001

Status

approved