A129874 - OEIS

This site is supported by donations to The OEIS Foundation.

A129874

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

2, 1, 4, 4, 16, 19, 76, 98 (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: A057772 A145861 A191660 * A021983 A194363 A161135` `Adjacent sequences: A129871 A129872 A129873 * A129875 A129876 A129877`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), May 26 2007`

Content is available under The OEIS End-User License Agreement .

Last modified February 17 19:13 EST 2012. Contains 206085 sequences.