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A144687 Size of acyclic domain of size n based on the replacement scheme. 1
4, 8, 16, 36, 81, 180, 400, 900, 2025, 4500, 10000, 22200, 49284, 108336, 238144, 521672, 1142761, 2484356 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,1

REFERENCES

B. Monjardet, Acyclic domains of linear orders: a survey, in "The Mathematics of Preference, Choice and Order: Essays in Honor of Peter Fishburn", edited by Steven Brams, William V. Gehrlein and Fred S. Roberts, Springer, 2009, pp. 139-160.

LINKS

Table of n, a(n) for n=3..20.

CROSSREFS

Sequence in context: A040014 A141069 A306621 * A278377 A065605 A065978

Adjacent sequences:  A144684 A144685 A144686 * A144688 A144689 A144690

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane Feb 07 2009

STATUS

approved

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Last modified October 22 16:15 EDT 2021. Contains 348174 sequences. (Running on oeis4.)