A079844 Number of positions that are exactly n moves from the starting position in the Rashkey Type 1 puzzle.

1, 4, 10, 24, 58, 136, 293, 652, 1474, 3176, 6448, 10518, 12571, 7581, 1130, 24

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 44100. Here we consider a move to be a quarter turn of a disc.

Links

Table of n, a(n) for n=0..15.

Jaap Scherphuis, Puzzle Pages

Crossrefs

Cf. A079843.

Sequence in context: A118871 A019494 A192886 * A080617 A080628 A225127

Adjacent sequences: A079841 A079842 A079843 * A079845 A079846 A079847

Keyword

nonn,fini,full

Author

N. J. A. Sloane, Feb 21 2003

Status

approved