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%I #5 Dec 11 2013 06:59:46
%S 1,4,12,35,100,286,792,2135,5557,13783,31202,61125,93383,93939,49867,
%T 10108,526,25
%N Number of positions that are exactly n moves from the starting position in the Hockey Puck puzzle.
%C 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.
%C 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.
%H Jaap Scherphuis, <a href="http://www.jaapsch.net/puzzles/">Puzzle Pages</a>
%Y Cf. A079735-A079738.
%K nonn,fini,full
%O 0,2
%A _N. J. A. Sloane_, Feb 20 2003
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