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A108034 n!*(9*n^4-78*n^3+235*n^2-438*n+680)/72. 0
0, 400, 13280, 278880, 5120640, 90518400, 1602720000, 28966291200, 539568691200, 10411578777600, 208646710272000, 4347290787840000, 94201374339072000, 2122386883448832000, 49691667829579776000, 1208138588893716480000, 30476152489092710400000, 796939223079733493760000 (list; graph; refs; listen; history; text; internal format)
OFFSET

4,2

REFERENCES

J. W. Moon, Topics on Tournaments. Holt, NY, 1968, p. 21.

LINKS

Table of n, a(n) for n=4..21.

CROSSREFS

Sequence in context: A281808 A192076 A006764 * A187051 A231288 A210262

Adjacent sequences:  A108031 A108032 A108033 * A108035 A108036 A108037

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jun 01 2005

STATUS

approved

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Last modified January 29 04:57 EST 2020. Contains 331335 sequences. (Running on oeis4.)