A080623 Consider 3 X 3 X 3 Rubik cube, but only allow the double slice group to act; sequence gives number of positions that are exactly n moves from the start, up to equivalence under the full group of order 48 of the cube.

1, 2, 4, 15, 25, 3

Offset: 0

Author

N. J. A. Sloane, Feb 26 2003

Keywords

• nonn
• fini
• full

Comments

Not every position can be reached using this restricted set of moves. Number of inequivalent positions that can be reached = 50.

Links

• Mark Longridge, God's Algorithm Calculations for Rubik's Cube...

Crossrefs

Cf. A080601, A080614, etc.