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A008323 Number of simple connected regular bipartite graphs with 2n nodes. 1
1, 1, 2, 3, 5, 12, 34, 218, 4278, 431163 (list; graph; refs; listen; history; internal format)
OFFSET

1,3

LINKS

Brendan McKay and E. Rogoyski, Latin squares of order ten, Electron. J. Combinatorics, 2 (1995) #N3.

CROSSREFS

Row sums of triangle A008326.

Sequence in context: A191626 A030041 A153987 * A000997 A107475 A108225

Adjacent sequences:  A008320 A008321 A008322 * A008324 A008325 A008326

KEYWORD

nonn,hard,nice,changed

AUTHOR

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

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Last modified February 14 19:37 EST 2012. Contains 205663 sequences.