A164752 - OEIS

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A164752

Number of nX6 1..4 arrays with all 1s connected, all 2s connected, all 3s connected, all 4s connected, 1 in the upper left corner, 2 in the upper right corner, 3 in the lower left corner, and 4 in the lower right corner

225, 14414, 454001, 10521134, 204261981, 3522663974 (list; graph; refs; listen; history; internal format)

	OFFSET	`2,1`
	EXAMPLE	`Some solutions for n=3` `...1.1.1.2.2.2...1.1.1.2.2.2...1.1.1.2.2.2...1.3.2.2.2.2...1.1.2.2.2.2` `...1.1.3.4.2.2...3.1.3.2.4.2...3.3.3.2.4.4...1.3.3.2.4.2...1.3.3.4.4.4` `...3.3.3.4.4.4...3.3.3.4.4.4...3.3.3.3.4.4...3.3.3.4.4.4...3.3.3.4.4.4` `------` `...1.1.2.2.2.2...1.3.2.2.2.2...1.1.1.2.2.2...1.1.2.2.2.2...1.1.2.2.2.2` `...3.1.3.2.2.2...1.3.3.4.4.4...1.1.3.4.4.4...1.3.3.4.4.2...1.1.1.2.2.2` `...3.3.3.3.4.4...3.3.3.4.4.4...3.3.3.3.4.4...3.3.3.3.4.4...3.3.3.3.2.4`
	CROSSREFS	`Sequence in context: A167035 A167042 A164763 * A151651 A051364 A192934` `Adjacent sequences: A164749 A164750 A164751 * A164753 A164754 A164755`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net) Aug 24 2009`

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Last modified February 16 21:51 EST 2012. Contains 205978 sequences.