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A079819 Number of positions that are exactly n moves from the starting position in the Rubik's UFO puzzle. 1

%I

%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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Last modified December 4 02:16 EST 2022. Contains 358544 sequences. (Running on oeis4.)