A129883 - OEIS

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A129883

Sequence i_{h_n} arising in enumeration of arrays of directed blocks (see Quaintance reference for precise definition), where i_n = A129876, h_n = A129874.

2, 0, 2, 2, 10, 6, 34, 88 (list; graph; refs; listen; history; internal format)

	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: A056458 A046277 A053571 * A098489 A128064 A144217` `Adjacent sequences: A129880 A129881 A129882 * A129884 A129885 A129886`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), May 26 2007`

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Last modified February 17 08:44 EST 2012. Contains 205998 sequences.