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A002087 Number of point-symmetric tournaments with 2n+1 nodes.
(Formerly M0578 N0211)
1
1, 1, 2, 3, 4, 6, 16, 16, 30 (list; graph; refs; listen; history; internal format)
OFFSET

1,3

REFERENCES

B. Alspach, On point-symmetric tournaments, Canad. Math. Bull., 13 (1970), 317-323.

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

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

Sequence in context: A049911 A056712 A204540 * A049288 A102946 A026094

Adjacent sequences:  A002084 A002085 A002086 * A002088 A002089 A002090

KEYWORD

nonn

AUTHOR

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

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Last modified February 13 11:53 EST 2012. Contains 205468 sequences.