A259105 Number of nonisomorphic tournaments on n nodes that are not multiples of a nontrivial transitive tournament.

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

Adjacent sequences: A259102 A259103 A259104 * A259106 A259107 A259108

Keyword

nonn

Author

N. J. A. Sloane, Jun 23 2015

Extensions

More terms from Pontus von Brömssen, Oct 04 2020

Status

approved