id:A006245 - OEIS Search Results

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Number of primitive sorting networks on n elements; also number of rhombic tilings of 2n-gon.
(Formerly M1894)

+0
14

1, 1, 2, 8, 62, 908, 24698, 1232944, 112018190, 18410581880 (list; graph; listen)

	OFFSET	`1,3`
	REFERENCES	D. E. Knuth, ``Axioms and hulls,'' Lect. Notes Comp. Sci., Vol. 606.
	LINKS	`M. Widom, N. Destainville, R. Mosseri and F. Bailly, Two-dimensional random tilings of large codimension` `Index entries for sequences related to sorting`
	CROSSREFS	`Cf. A006246.` `Adjacent sequences: A006242 A006243 A006244 this_sequence A006246 A006247 A006248` `Sequence in context: A116976 A132574 A086903 this_sequence A009271 A098000 A084279`
	KEYWORD	`nonn,nice`
	AUTHOR	`njas`
	EXTENSIONS	`More terms from Sebastien VEIGNEAU (sv(AT)univ-mlv.fr) 1/97.`

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Last modified October 7 08:31 EDT 2008. Contains 144667 sequences.