A003507 Number of rigid tournaments with n nodes. (Formerly M2066)

1, 1, 0, 0, 2, 13, 199, 3773

Offset

1,5

References

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Links

Table of n, a(n) for n=1..8.

Vladimír Müller, Jaroslav Jaroslav Nešetřil, Jan Pelant, Either tournaments or algebras?, Discrete Math. 11 (1975), 37-66. See table 1 on page 65.

Vladimír Müller, Jaroslav Nešetřil, Jan Pelant, Either tournaments or algebras?, Discrete Math. 11 (1975), 37-66. [Annotated copy] See table 1 on page 65.

Index entries for sequences related to tournaments

Crossrefs

Sequence in context: A239994 A242007 A049512 * A338979 A307066 A361368

Adjacent sequences: A003504 A003505 A003506 * A003508 A003509 A003510

Keyword

nonn,more

Author

N. J. A. Sloane

Status

approved