id:A007787 - OEIS Search Results

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Number of nonintersecting rook paths joining opposite corners of 5 X n board.

+0
5

1, 16, 125, 976, 8512, 79384, 752061, 7110272, 67005561, 630588698, 5933085772, 55827318685, 525343024814, 4943673540576, 46521924780255, 437788749723725, 4119750109152730, 38768318191017931, 364823700357765771 (list; graph; listen)

	OFFSET	`1,2`
	REFERENCES	`Netnews group rec.puzzles, Frequently Asked Questions (FAQ) file (Science Section).`
	LINKS	`F. Faase, Counting Hamilton cycles in product graphs`
	FORMULA	`Faase gives a 27-term linear recurrence on his web page.`
	CROSSREFS	`Cf. A007786.` `Sequence in context: A126511 A067442 A000485 this_sequence A067470 A133111 A004017` `Adjacent sequences: A007784 A007785 A007786 this_sequence A007788 A007789 A007790`
	KEYWORD	`nonn,walk`
	AUTHOR	`Heiner Marxen`
	EXTENSIONS	`More terms from R. Stephan, Mar 29 2004`

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Last modified July 19 08:04 EDT 2008. Contains 142098 sequences.

AT&T Labs Research