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A065594
A036981
(n)/(2n)!.
1
1, 3, 30, 43680, 11030100480
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OFFSET
0,2
LINKS
Table of n, a(n) for n=0..4.
Index entries for sequences related to tournaments
CROSSREFS
Sequence in context:
A296407
A375530
A308383
*
A155731
A145385
A059232
Adjacent sequences:
A065591
A065592
A065593
*
A065595
A065596
A065597
KEYWORD
nonn
,
hard
AUTHOR
Andres Cardemil (andrescarde(AT)yahoo.com), Nov 28, 2001
STATUS
approved
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Last modified September 8 22:43 EDT 2024. Contains 375759 sequences. (Running on oeis4.)