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%I #5 Dec 11 2013 07:03:13
%S 1,8,36,189,870,4182,19502,89508,390114,1623294,6100151,16424349,
%T 14501714,762762,120
%N Number of positions that are exactly n moves from the starting position in the Rubik's UFO 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 39916800. Here we consider a move to be any twist and any disk turn.
%H Jaap Scherphuis, <a href="http://www.jaapsch.net/puzzles/">Puzzle Pages</a>
%Y Cf. A079820.
%K nonn,fini,full
%O 0,2
%A _N. J. A. Sloane_, Feb 20 2003
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