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A003507 Number of rigid tournaments with n nodes.
(Formerly M2066)
+0
1
1, 1, 0, 0, 2, 13, 199, 3773 (list; graph; listen)
OFFSET

1,5

REFERENCES

V. J. Mueller, J. Nesetril and J. Pelant, Either tournaments or algebras?, Discrete Math. 11 (1975), 37-66.

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

LINKS

Index entries for sequences related to tournaments

CROSSREFS

Adjacent sequences: A003504 A003505 A003506 this_sequence A003508 A003509 A003510

Sequence in context: A073178 A062156 A049512 this_sequence A003085 A053598 A102585

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified November 8 20:39 EST 2009. Contains 166234 sequences.


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