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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; text; 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

Table of n, a(n) for n=1..7.

Daniel E. Loeb, On Games, Voting Schemes and Distributive Lattices. LaBRI Report 625-93, University of Bordeaux I, 1993.

CROSSREFS

Sequence in context: A171864 A256093 A066902 * A103991 A224994 A321768

Adjacent sequences:  A007360 A007361 A007362 * A007364 A007365 A007366

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane

STATUS

approved

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Last modified January 20 21:36 EST 2019. Contains 319336 sequences. (Running on oeis4.)