A160241 - OEIS

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A160241

Number of Greek Key Tours on a 7-by-n grid.

1, 7, 164, 1337, 16262, 144476, 1510446, 13506023, 132712481, 1185979605 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	COMMENTS	`Greek Key Tours are self-avoiding walks that touch every vertex of the grid and start at the bottom-left corner.`
	LINKS	`N. Johnston, On Maximal Self-Avoiding Walks.`
	CROSSREFS	`Cf. A046994, A046995, A145156, A145157` `Sequence in context: A027549 A169608 A184754 * A020998 A012504 A012689` `Adjacent sequences: A160238 A160239 A160240 * A160242 A160243 A160244`
	KEYWORD	`hard,more,nonn`
	AUTHOR	`Nathaniel Johnston (nathaniel(AT)nathanieljohnston.com), May 05 2009`

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Last modified February 13 02:03 EST 2012. Contains 205435 sequences.