id:A129873 - OEIS Search Results

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Sequence s_n arising in enumeration of arrays of directed blocks (see Quaintance reference for precise definition).

+0
3

2, 3, 8, 13, 38, 64, 196, 337 (list; graph; listen)

	OFFSET	`1,1`
	REFERENCES	`Jocelyn Quaintance, Combinatoric Enumeration of Two-Dimensional Proper Arrays, Discrete Math., 307 (2007), 1844-1864.`
	FORMULA	`See Quaintance reference for generating functions that produce A129872-A129886.`
	CROSSREFS	`Sequence in context: A113954 A025082 A151889 this_sequence A025575 A077055 A145929` `Adjacent sequences: A129870 A129871 A129872 this_sequence A129874 A129875 A129876`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), May 26 2007`

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.