A087616 - OEIS

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A087616

Number of unlabeled cyclic preferences/voting outcomes, indifference and undecidedness/incompleteness permitted (Social Choice Theory).

2

0, 0, 1, 26, 2491

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,4

LINKS

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

Jobst Heitzig, Social Choice Under Incomplete, Cyclic Preferences, arXiv:math/0201285 [math.CO], 2002.

FORMULA

Equals A000273 - A087614.

CROSSREFS

Cf. A087615 for the labeled analog, A003087, A087614, A000273.

Sequence in context: A103642 A363990 A201623 * A177636 A232159 A263946

Adjacent sequences: A087613 A087614 A087615 * A087617 A087618 A087619

KEYWORD

nonn,more

AUTHOR

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

STATUS

approved