A080620 Consider 3 X 3 X 3 Rubik cube, but only allow the anti-slice group to act; sequence gives number of positions that are exactly n moves from the start.

1, 6, 27, 120, 423, 1098, 1770, 1650, 851, 198

Offset

0,2

Comments

Not every position can be reached using this restricted set of moves. Total number of positions that can be reached = 6144. This is for 2q or anti-slice moves.

References

Mark Longridge, posting to Cube Lovers List, Apr 14 1995 and May 21 1995.

Links

Table of n, a(n) for n=0..9.

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: A373302 A080619 A265943 * A080627 A079762 A175716

Adjacent sequences: A080617 A080618 A080619 * A080621 A080622 A080623

Keyword

nonn,fini,full

Author

N. J. A. Sloane, Feb 26 2003

Status

approved