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.
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.
Terms
- a(0) =1a(1) =6a(2) =27a(3) =120a(4) =519a(5) =1932a(6) =6484a(7) =20310a(8) =55034a(9) =113892a(10) =178495a(11) =179196a(12) =89728a(13) =16176a(14) =1488a(15) =144
External references
- oeis: A080627