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A080627
Consider 3 X 3 X 3 Rubik cube, but only allow the squares group to act; sequence gives number of positions that are exactly n moves from the start.
0
1, 6, 27, 120, 519, 1932, 6484, 20310, 55034, 113892, 178495, 179196, 89728, 16176, 1488, 144
OFFSET
0,2
COMMENTS
Not every position can be reached using this restricted set of moves. Number of positions that can be reached = 663552.
CROSSREFS
Cf. A080601, A080614, etc.
Sequence in context: A080619 A265943 A080620 * A079762 A175716 A178935
KEYWORD
nonn,fini,full
AUTHOR
N. J. A. Sloane, Feb 26 2003
STATUS
approved