Number of positions that are exactly n moves from the starting position in the 2 X 2 X 2 Rubik cube puzzle using only one-way quarter moves.

A152169

Number of positions that are exactly n moves from the starting position in the 2 X 2 X 2 Rubik cube puzzle using only one-way quarter moves.

Terms

    a(0) =1a(1) =3a(2) =9a(3) =27a(4) =78a(5) =216a(6) =583a(7) =1546a(8) =4035a(9) =10320a(10) =25824a(11) =62832a(12) =146322a(13) =321876a(14) =635632a(15) =988788a(16) =958176a(17) =450280a(18) =66420a(19) =1192

External references