A079785 Number of positions that are exactly n moves from the starting position in the Beachball puzzle.

1, 8, 48, 252, 930, 884, 37

Offset

0,2

Comments

This is the number of positions that can be reached in n moves from the start, but which cannot be reached in fewer than n moves.

A puzzle in the Rubik cube family. The total number of distinct positions is 2160.

Links

Table of n, a(n) for n=0..6.

Jaap Scherphuis, Puzzle Pages

Crossrefs

Sequence in context: A073390 A069021 A079763 * A225977 A305782 A292536

Adjacent sequences: A079782 A079783 A079784 * A079786 A079787 A079788

Keyword

nonn,fini,full

Author

N. J. A. Sloane, Feb 20 2003

Status

approved