Number of configurations of the 3-dimensional 3 X 3 X 3 sliding cube puzzle that require a minimum of n moves to be reached, starting with the empty space at one of the enclosing cube corners.

A090573

Number of configurations of the 3-dimensional 3 X 3 X 3 sliding cube puzzle that require a minimum of n moves to be reached, starting with the empty space at one of the enclosing cube corners.

Terms

    a(0) =1a(1) =3a(2) =9a(3) =30a(4) =102a(5) =324a(6) =1029a(7) =3096a(8) =9960a(9) =30732a(10) =97932a(11) =295924a(12) =929202a(13) =2766958a(14) =8590731a(15) =25271897a(16) =77575820

External references