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A005334 Number of 2-colored graphs.
(Formerly M5244)
0
1, 1, 34, 7037, 6317926, 21073662977, 251973418941994, 10878710974408306717, 1727230695707098000548430 (list; graph; refs; listen; history; internal format)
OFFSET

1,3

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: A129056 A187708 A199837 * A033511 A189448 A200461

Adjacent sequences:  A005331 A005332 A005333 * A005335 A005336 A005337

KEYWORD

nonn

AUTHOR

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

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Last modified February 15 06:58 EST 2012. Contains 205694 sequences.