id:A163684 - OEIS Search Results

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Number of nXn binary arrays with all 1s connected, a path of 1s from upper left corner to lower right corner, and no 1 having more than two 1s adjacent

+0
1

1, 3, 17, 132, 1561, 27874, 809249 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`All solutions for n=3` `...1.0.0...1.0.0...1.0.0...1.0.0...1.1.0...1.1.0...1.1.1...1.1.1...1.1.0` `...1.1.0...1.1.1...1.0.0...1.0.1...1.0.0...1.0.1...1.0.0...1.0.1...0.1.0` `...0.1.1...0.0.1...1.1.1...1.1.1...1.1.1...1.1.1...1.1.1...1.1.1...0.1.1` `------` `...1.1.0...1.1.1...1.1.1...1.1.1...1.1.1...1.1.1...1.0.1...1.1.1` `...0.1.1...0.0.1...0.0.1...1.0.1...1.0.1...1.0.1...1.0.1...0.0.1` `...0.0.1...0.0.1...0.1.1...0.0.1...0.1.1...1.0.1...1.1.1...1.1.1`
	CROSSREFS	`Sequence in context: A006759 A073513 A074524 this_sequence A093986 A055214 A105630` `Adjacent sequences: A163681 A163682 A163683 this_sequence A163685 A163686 A163687`
	KEYWORD	`nonn`
	AUTHOR	`Ron Hardin (rhhardin(AT)att.net) Aug 03 2009`

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

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