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A079745
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Number of positions that are exactly n moves from the starting position in the Skewb puzzle.
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0
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1, 8, 48, 288, 1728, 10248, 59304, 315198, 1225483, 1455856, 81028, 90
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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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 3149280.
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REFERENCES
| D. R. Hofstadter, Metamagical Themas, Basic Books, NY, 1985.
Martin Schoenert, posting to Cube Lovers List, Jan 31 1995.
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LINKS
| Alan Bawden, Cube Lovers Archive, Part 15
Mark Longridge, God's Algorithm Calculations for Rubik's Cube...
Jaap Scherphuis, Puzzle Pages
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CROSSREFS
| Sequence in context: A079765 A079744 A079746 * A079758 A051823 A037507
Adjacent sequences: A079742 A079743 A079744 * A079746 A079747 A079748
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KEYWORD
| nonn,fini,full
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Feb 20 2003
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