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 mid-side of one of the 12 edges of the combination cube.
A090576
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 mid-side of one of the 12 edges of the combination cube.
Terms
- a(0) =1a(1) =4a(2) =12a(3) =40a(4) =128a(5) =412a(6) =1251a(7) =4026a(8) =12362a(9) =39624a(10) =120012a(11) =379132a(12) =1130914a(13) =3530916a(14) =10402781a(15) =32112656a(16) =93427431
External references
- oeis: A090576