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A079738
Number of positions that are exactly n moves from the starting position in the Hockey Puck puzzle.
4
1, 6, 30, 147, 708, 3408, 16177, 75384, 334836, 1400827, 5019071, 12427541, 14323585, 6051014, 263992, 73
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 10! = 3628800. Here we use moves of all types a-f.
CROSSREFS
KEYWORD
nonn,fini,full
AUTHOR
N. J. A. Sloane, Feb 20 2003
STATUS
approved