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

Author

N. J. A. Sloane, Jun 23 2015

Keywords

• nonn

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]

Crossrefs

Cf. A000568.

Formula

Moebius transform of A000568.

Extensions

More terms from Pontus von Brömssen, Oct 04 2020