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Number of positions that are exactly n moves from the starting position in the Hockey Puck puzzle.
4

%I #5 Dec 11 2013 06:59:23

%S 1,6,30,147,708,3408,16177,75384,334836,1400827,5019071,12427541,

%T 14323585,6051014,263992,73

%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 10! = 3628800. Here we use moves of all types a-f.

%H Jaap Scherphuis, <a href="http://www.jaapsch.net/puzzles/">Puzzle Pages</a>

%Y Cf. A079735-A079737.

%K nonn,fini,full

%O 0,2

%A _N. J. A. Sloane_, Feb 20 2003