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A046164 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. 1

%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. 206-207, 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_

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Last modified February 20 09:15 EST 2019. Contains 320325 sequences. (Running on oeis4.)