A166846 - OEIS

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A166846

Number of nX4 1..3 arrays containing at least one of each value, all equal values connected, rows considered as a single number in nondecreasing order, and columns considered as a single number in decreasing order.

0, 9, 109, 673, 2923, 10112, 29741, 77372, 182772, 399321 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	EXAMPLE	`Some solutions for n=4` `...2.2.1.1...2.1.1.1...1.1.1.1...2.1.1.1...3.2.2.1...3.2.2.2...2.2.2.2` `...2.2.2.2...2.2.1.1...2.1.1.1...2.2.1.1...3.2.2.1...3.3.2.1...3.2.2.1` `...3.2.3.2...2.2.2.1...2.2.2.1...2.2.2.1...3.2.2.1...3.3.2.2...3.3.2.1` `...3.3.3.3...3.3.3.3...2.3.2.1...2.2.3.3...3.3.2.2...3.3.2.2...3.3.3.1` `------` `...2.1.1.1...2.2.2.1...2.2.2.2...1.1.1.1...3.2.1.1...2.2.2.2...2.1.1.1` `...2.2.2.1...2.2.2.1...3.2.2.1...1.1.1.1...3.2.2.1...3.2.1.1...2.2.2.1` `...2.2.2.1...3.2.2.1...3.2.2.1...3.2.1.1...3.2.2.1...3.2.3.1...2.3.2.1` `...2.3.2.1...3.3.2.2...3.3.1.1...3.2.2.1...3.3.3.1...3.3.3.1...3.3.2.1`
	CROSSREFS	`Sequence in context: A051606 A001691 A157906 * A058421 A128876 A199030` `Adjacent sequences: A166843 A166844 A166845 * A166847 A166848 A166849`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net) Oct 21 2009`

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Last modified February 14 01:35 EST 2012. Contains 205567 sequences.