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

1,2

REFERENCES

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

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

CROSSREFS

Sequence in context: A112895 A157585 A045645 this_sequence A057121 A039515 A037302

Adjacent sequences: A005332 A005333 A005334 this_sequence A005336 A005337 A005338

KEYWORD

nonn

AUTHOR

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

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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