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A259105
Number of nonisomorphic tournaments on n nodes that are not multiples of a nontrivial transitive tournament.
3
1, 0, 1, 3, 11, 54, 455, 6876, 191534, 9733044, 903753247, 154108311109, 48542114686911, 28401423719121848, 31021002160355166835, 63530415842308265093408, 244912778438520759443245823, 1783398846284777975419600095642, 24605641171260376770598003978281471
OFFSET
1,4
LINKS
Pontus von Brömssen, Table of n, a(n) for n = 1..76
M. Goldberg and J. W. Moon, On the composition of two tournaments, Duke Math. J. 37 (1970), 323-332. The sequence is denoted there as r(n).
J. W. Moon and M. Goldberg, On the composition of two tournaments, Duke Mathematical Journal 37.2 (1970): 323-332. [Annotated scans of pages 331 and 332 only]
FORMULA
Moebius transform of A000568.
CROSSREFS
Cf. A000568.
Sequence in context: A009280 A267832 A095707 * A242952 A266027 A306177
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jun 23 2015
EXTENSIONS
More terms from Pontus von Brömssen, Oct 04 2020
STATUS
approved