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A007363 Maximal self-dual antichains on n points.
(Formerly M2505)
0
0, 1, 3, 5, 20, 168, 11748 (list; graph; refs; listen; history; internal format)
OFFSET

1,3

REFERENCES

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

LINKS

D. E. Loeb (daniel.loeb(AT)verizon.net), On Games, Voting Schemes and Distributive Lattices. LaBRI Report 625-93, University of Bordeaux I, 1993.

CROSSREFS

Sequence in context: A197156 A171864 A066902 * A103991 A086175 A065926

Adjacent sequences:  A007360 A007361 A007362 * A007364 A007365 A007366

KEYWORD

nonn

AUTHOR

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

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Last modified February 17 07:41 EST 2012. Contains 205998 sequences.