A194573 - OEIS

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A194573

Number of lower triangles of an nXn 0..5 array with new values introduced in row major order 0..5 and no element equal to more than two horizontal or vertical neighbors

1, 5, 194, 103442, 625181527, 26882336930339, 7006905313120058520, 10818569910116671839072764, 98751690024107856003006162934229 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	COMMENTS	`Column 5 of A194576`
	LINKS	`Table of n, a(n) for n=1..9.`
	EXAMPLE	`Some solutions for 3X3` `..0......0......0......0......0......0......0......0......0......0......0` `..0.1....1.2....1.0....1.2....1.2....1.2....1.2....1.1....1.0....1.1....1.2` `..2.3.1..3.2.4..2.3.1..1.1.2..1.3.1..3.4.5..2.0.0..2.1.0..1.1.1..2.2.3..1.3.2`
	CROSSREFS	`Sequence in context: A093154 A194572 A068793 * A194574 A194575 A142927` `Adjacent sequences: A194570 A194571 A194572 * A194574 A194575 A194576`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin Aug 29 2011`
	STATUS	`approved`

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Last modified June 19 07:51 EDT 2013. Contains 226399 sequences.