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Search: id:A144687
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| A144687 |
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Size of acyclic domain of size n based on the replacement scheme. |
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+0
2
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| 4, 8, 16, 36, 81, 180, 400, 900, 2025, 4500, 10000, 22200, 49284, 108336, 238144, 521672, 1142761, 2484356
(list; graph; listen)
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OFFSET
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3,1
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REFERENCES
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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.
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CROSSREFS
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Sequence in context: A019458 A040014 A141069 this_sequence A065605 A065978 A077447
Adjacent sequences: A144684 A144685 A144686 this_sequence A144688 A144689 A144690
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KEYWORD
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nonn,more
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com) Feb 07 2009
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