A143807 - OEIS

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A143807

Number of geodesics between a pair of perfect states in the Tower of Hanoi with 4 pegs and n disks.

1, 2, 2, 22, 40, 18, 2468, 11698, 11426, 2178, 74056628 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	CROSSREFS	`Sequence A007664 gives the lengths of the geodesics being counted by the present sequence (conjecturally this is true for all n; experimentally it is true for the first 20 terms)` `Sequence in context: A153438 A190632 A036110 * A118454 A118326 A087405` `Adjacent sequences: A143804 A143805 A143806 * A143808 A143809 A143810`
	KEYWORD	`hard,nonn`
	AUTHOR	`Jason Behrstock (jason(AT)math.columbia.edu), Sep 01 2008`

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Last modified February 14 18:09 EST 2012. Contains 205663 sequences.