A080626 Consider 3 X 3 X 3 Rubik cube, but only allow the double anti-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, 5, 25, 75, 152, 184, 108, 16

Offset

0,2

Comments

Not every position can be reached using this restricted set of moves. Number of inequivalent positions that can be reached = 568.

References

Jerry Bryan, posting to Cube Lovers List, May 19 1995 and May 21 1995.

Links

Table of n, a(n) for n=0..8.

Alan Bawden, Cube Lovers Archive, Part 15

Alan Bawden, Cube Lovers Archive, Part 16

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

Crossrefs

Cf. A080601, A080614, etc.

Sequence in context: A137096 A137093 A335213 * A015957 A349146 A268356

Adjacent sequences: A080623 A080624 A080625 * A080627 A080628 A080629

Keyword

nonn,fini,full

Author

N. J. A. Sloane, Feb 26 2003

Status

approved