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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
0, 10, 112, 512 (list; graph; refs; listen; history; text; internal format)
OFFSET

14,2

REFERENCES

Gardner, M. The Sixth Book of Mathematical Games from Scientific American. Chicago, IL: University of Chicago Press, pp. 206-207, 1984.

LINKS

Table of n, a(n) for n=14..17.

Eric Weisstein's World of Mathematics, 15 Puzzle.

CROSSREFS

Sequence in context: A084031 A210507 A066275 * A184131 A239651 A014484

Adjacent sequences:  A046161 A046162 A046163 * A046165 A046166 A046167

KEYWORD

nonn,more

AUTHOR

Eric W. Weisstein

STATUS

approved

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Last modified October 16 14:35 EDT 2018. Contains 316263 sequences. (Running on oeis4.)