A165389 - OEIS

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A165389

Number of slanted 6Xn (i=1..6)X(j=i..n+i-1) 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

9, 232, 11449, 272548, 5386897, 92769304, 1484483677, 22335647312, 319719142737 (list; graph; refs; listen; history; internal format)

	OFFSET	`2,1`
	EXAMPLE	`Some solutions for n=3` `...1.2.2.............1.1.2.............1.1.2.............1.1.2..........` `.....2.2.2.............1.1.1.............2.2.2.............2.2.2........` `.......2.2.2.............1.1.1.............2.2.2.............2.2.3......` `.........2.2.2.............1.4.4.............2.2.2.............2.3.3....` `...........2.3.3.............4.4.4.............3.3.3.............3.3.3..` `.............3.4.4.............3.4.4.............3.3.4.............3.4.4` `------` `...1.1.2.............1.1.2.............1.1.2.............1.1.2..........` `.....2.2.2.............2.2.2.............1.1.1.............2.2.2........` `.......2.2.2.............2.2.2.............1.1.1.............2.2.2......` `.........2.2.4.............2.2.3.............1.1.1.............2.4.4....` `...........2.4.4.............2.3.3.............1.1.3.............4.4.4..` `.............3.4.4.............3.4.4.............3.3.4.............3.4.4`
	CROSSREFS	`Sequence in context: A197428 A181205 A152101 * A153223 A157569 A085799` `Adjacent sequences: A165386 A165387 A165388 * A165390 A165391 A165392`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net) Sep 17 2009`

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Last modified February 14 20:38 EST 2012. Contains 205663 sequences.