A144687 Size of acyclic domain of size n based on the replacement scheme.

4, 8, 16, 36, 81, 180, 400, 900, 2025, 4500, 10000, 22200, 49284, 108336, 238144, 521672, 1142761, 2484356

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