%I
%S 0,10,112,512
%N Number of distinct solutions to reverse the 8 puzzle (3 X 3 analog of the 4 X 4 15 puzzle) in 28, 30, 32, ... moves.
%D Gardner, M. The Sixth Book of Mathematical Games from Scientific American. Chicago, IL: University of Chicago Press, pp. 206207, 1984.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/15Puzzle.html">15 Puzzle.</a>
%K nonn,more
%O 14,2
%A _Eric W. Weisstein_
