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A246981
Number of single-peaked preference orders on an n-set.
0
1, 12, 1296, 9856896
OFFSET
1,2
LINKS
Jonathan K. Hodge, Lindsey Brown, Hoang Ha, Single-Peaked Preferences over Multidimensional Binary Alternatives, Discrete Applied Mathematics, Vol. 166 (2014), 14-25, 2014. See p. 24.
CROSSREFS
Sequence in context: A351630 A137343 A133461 * A174745 A071309 A067108
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Sep 14 2014
STATUS
approved