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A087614 Number of unlabeled acyclic preferences/voting outcomes, indifference and undecidedness/incompleteness permitted (Social Choice Theory). 2
1, 3, 15, 192, 7117 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..5.

For Social Choice Theory terminology, see: Jobst Heitzig, Preprint: Social Choice Under Incomplete, Cyclic Preferences (2001-01-23).

CROSSREFS

Cf. A087613 for the labeled analog, A003087, A087616.

Sequence in context: A153079 A173301 A260079 * A063739 A060194 A068858

Adjacent sequences:  A087611 A087612 A087613 * A087615 A087616 A087617

KEYWORD

nonn,more

AUTHOR

Detlef Pauly (dettodet(AT)yahoo.de), Sep 12 2003

STATUS

approved

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Last modified November 16 17:04 EST 2019. Contains 329201 sequences. (Running on oeis4.)