A079762 - OEIS

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A079762

Number of positions that are exactly n moves from the starting position in the 2 X 2 X 2 Rubik cube puzzle.

1, 6, 27, 120, 534, 2256, 8969, 33058, 114149, 360508, 930588, 1350852, 782536, 90280, 276 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	COMMENTS	`This is the number of positions that can be reached in n moves from the start, but which cannot be reached in fewer than n moves.` `A puzzle in the Rubik cube family. The total number of distinct positions is 3674160. A half-turn is considered to be two moves.`
	LINKS	`Mark Longridge, God's Algorithm Calculations for Rubik's Cube...` `Jaap Scherphuis, Puzzle Pages`
	CROSSREFS	`Sequence in context: A080619 A080620 A080627 * A175716 A178935 A002912` `Adjacent sequences: A079759 A079760 A079761 * A079763 A079764 A079765`
	KEYWORD	`nonn,fini,full`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Feb 20 2003`

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Last modified February 12 17:06 EST 2012. Contains 205432 sequences.