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A079736
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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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2
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1, 4, 12, 35, 100, 286, 792, 2135, 5557, 13783, 31202, 61125, 93383, 93939, 49867, 10108, 526, 25
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OFFSET
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0,2
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COMMENTS
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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 9! = 362880. Here we only use moves of types a-d.
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LINKS
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CROSSREFS
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KEYWORD
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nonn,fini,full
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AUTHOR
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STATUS
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approved
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