%N Number of positions that are exactly n moves from the starting position in the 2 X 2 X 2 Rubik cube 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 3674160. A half-turn is considered to be two moves.
%H Mark Longridge, <a href="http://cubeman.org/fullcube.txt">God's Algorithm Calculations for Rubik's Cube...</a>
%H Jaap Scherphuis, <a href="http://www.jaapsch.net/puzzles/">Puzzle Pages</a>
%A _N. J. A. Sloane_, Feb 20 2003