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A080629 Consider 3 X 3 X 3 Rubik cube, but consider only positions of corners; sequence gives number of positions that are exactly n moves from the start. 0
1, 18, 243, 2874, 28000, 205416, 1168516, 5402628, 20776176, 45391616, 15139616, 64736 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

COMMENTS

Total number of positions = 88179840. Here a half-turn is counted as a single move.

LINKS

Mark Longridge, God's Algorithm Calculations for Rubik's Cube...

CROSSREFS

Cf. A080601, A080614, etc.

Sequence in context: A016247 A021064 A181379 * A053540 A080601 A016186

Adjacent sequences:  A080626 A080627 A080628 * A080630 A080631 A080632

KEYWORD

nonn,fini,full

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Feb 26 2003

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Last modified February 16 21:30 EST 2012. Contains 205971 sequences.