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A096368 Number of unlabeled regular tournaments with 2n+1 nodes. 7
1, 1, 3, 15, 1223, 1495297, 18400989629 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

REFERENCES

Gunnar Brinkmann, Generating regular directed graphs, Discrete Math., 313 (2012), 1-7. - From N. J. A. Sloane, Nov 26 2012

LINKS

Table of n, a(n) for n=1..7.

B. D. McKay, Catalogues of directed graphs.

CROSSREFS

Cf. A007079.

Sequence in context: A012766 A012796 A231656 * A016066 A012848 A202621

Adjacent sequences:  A096365 A096366 A096367 * A096369 A096370 A096371

KEYWORD

more,nonn

AUTHOR

David J. Haglin (david.haglin(AT)mnsu.edu), Jul 02 2004

EXTENSIONS

Offset and count for 15 vertices corrected by Brendan McKay, Dec 09 2008

STATUS

approved

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Last modified April 18 07:04 EDT 2014. Contains 240706 sequences.