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.
Alexander Karpov, Generalized knockout tournaments.
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
KEYWORD
nonn
AUTHOR
Alexander Karpov, Dec 13 2017
STATUS
approved