A129872 - OEIS

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A129872

Order of matrix M_n arising in enumeration of certain array of directed cubes.

1, 4, 16, 72, 364, 1916 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	REFERENCES	`Jocelyn Quaintance, Combinatoric Enumeration of Two-Dimensional Proper Arrays, Discrete Math., 307 (2007), 1844-1864.`
	LINKS	`Table of n, a(n) for n=1..6.`
	FORMULA	`See Quaintance reference for generating functions that produce A129872-A129886.`
	CROSSREFS	`Sequence in context: A151246 A152807 A217461 * A059371 A208528 A007234` `Adjacent sequences: A129869 A129870 A129871 * A129873 A129874 A129875`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane, May 26 2007`
	STATUS	`approved`

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Last modified June 18 19:42 EDT 2013. Contains 226356 sequences.