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A008325 Number of simple regular trivalent bipartite graphs with 2n nodes. 3
1, 1, 2, 6, 14, 41, 157, 725, 4196, 29816, 246644, 2297075 (list; graph; refs; listen; history; internal format)
OFFSET

3,3

REFERENCES

G. Brinkmann, Fast generation of cubic graphs, J. Graph Theory 23 (1996), no. 2, 139-149.

CROSSREFS

Cf. A006823.

A (right-hand) column of triangle A008326.

Sequence in context: A188492 A151538 A009423 * A004066 A123383 A151414

Adjacent sequences:  A008322 A008323 A008324 * A008326 A008327 A008328

KEYWORD

nonn,hard,changed

AUTHOR

Brendan McKay (bdm(AT)cs.anu.edu.au)

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Last modified February 15 14:57 EST 2012. Contains 205823 sequences.