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A296506
Number of generalized knockout tournament seedings with 3 players in each match and n rounds.
1
1, 280, 833712928048000000
OFFSET
1,2
COMMENTS
Next term is too large to include.
LINKS
Alexander Karpov, Generalized knockout tournaments, National Research University Higher School of Economics. WP7/2017/03.
FORMULA
a(n) = (3^n)!/6^((3^n-1)/2).
MATHEMATICA
f[n_] := (3^n)!/6^((3^n - 1)/2); Array[f, 3] (* Robert G. Wilson v, Dec 27 2017 *)
CROSSREFS
Cf. A067667 (number of knockout tournament seedings with two players in each match).
Sequence in context: A091034 A294165 A259079 * A308456 A175145 A142444
KEYWORD
nonn
AUTHOR
Alexander Karpov, Dec 13 2017
STATUS
approved