A166775 - OEIS

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A166775

Number of nXn 1..2 arrays containing at least one of each value, all equal values connected, and rows considered as a single number in nondecreasing order.

0, 7, 44, 317, 3640, 78101 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	EXAMPLE	`Some solutions for n=4` `...1.1.1.1...2.1.1.1...2.1.1.1...1.1.1.1...2.1.1.1...1.1.1.1...2.1.1.1` `...1.1.1.1...2.1.1.2...2.1.2.1...2.1.1.1...2.1.1.1...1.2.1.1...2.1.1.1` `...1.1.1.1...2.1.1.2...2.1.2.1...2.2.2.1...2.1.1.1...2.2.2.1...2.1.1.1` `...2.2.2.2...2.2.2.2...2.2.2.2...2.2.2.2...2.2.2.2...2.2.2.1...2.2.1.1` `------` `...1.1.1.1...2.2.1.1...1.1.1.1...1.1.1.1...1.1.1.1...1.2.2.2...2.1.1.1` `...1.2.1.1...2.2.2.1...1.1.1.1...1.2.2.2...1.2.1.1...1.2.2.2...2.1.1.1` `...2.2.2.1...2.2.2.1...1.2.1.1...2.2.2.2...1.2.2.1...1.2.2.2...2.2.1.2` `...2.2.2.2...2.2.2.2...1.2.2.2...2.2.2.2...1.2.2.2...2.2.2.2...2.2.2.2`
	CROSSREFS	`Sequence in context: A099464 A093738 A091127 * A156374 A171493 A153492` `Adjacent sequences: A166772 A166773 A166774 * A166776 A166777 A166778`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net) Oct 21 2009`

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Last modified February 14 19:37 EST 2012. Contains 205663 sequences.