A080618 Consider 3 X 3 X 3 Rubik cube, allowing moves F, U, L, R, D and their inverses; sequence gives number of positions that are exactly n moves from the start.

1, 10, 77, 584, 4434, 33664, 255320, 1933936, 14635503, 110685344

Offset

0,2

References

Jerry Bryan, posting to Cube Lovers List, Oct 09 1995.

Links

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

Alan Bawden, Cube Lovers Archive, Part 17

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

Crossrefs

Cf. A080601, A080614, etc.

Sequence in context: A081182 A127536 A016201 * A298270 A383832 A082136

Adjacent sequences: A080615 A080616 A080617 * A080619 A080620 A080621

Keyword

nonn,fini,more

Author

N. J. A. Sloane, Feb 26 2003

Status

approved