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Search: id:A079737
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| A079737 |
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Number of positions that are exactly n moves from the starting position in the Hockey Puck puzzle. |
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+0
2
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| 1, 5, 20, 78, 297, 1130, 4225, 15472, 54143, 178274, 508805, 1062164, 1195536, 557174, 51373, 103
(list; graph; listen)
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OFFSET
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0,2
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COMMENT
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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 10! = 3628800. Here we only use moves of types a-e.
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LINKS
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Jaap Scherphuis, Puzzle Pages
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CROSSREFS
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Cf. A079735-A079738.
Sequence in context: A005283 A057552 A129869 this_sequence A028814 A079820 A117422
Adjacent sequences: A079734 A079735 A079736 this_sequence A079738 A079739 A079740
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KEYWORD
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nonn,fini,full
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Feb 20 2003
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