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A005335 Number of bipartite blocks.
(Formerly M3177) 		0
1, 3, 340, 246295, 796058676, 9736032295374, 432386386904461704, 70004505120317453723895, 41988978212639552393332333300 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

REFERENCES

F. Harary and R. W. Robinson, Labeled bipartite blocks, Canad. J. Math., 31 (1979), 60-68.

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

CROSSREFS

Sequence in context: A112895 A157585 A045645 * A057121 A039515 A037302

Adjacent sequences:  A005332 A005333 A005334 * A005336 A005337 A005338

KEYWORD

nonn

AUTHOR

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

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Last modified February 15 19:15 EST 2012. Contains 205852 sequences.