A079843 Number of positions that are exactly n moves from the starting position in the Rashkey Type 1 puzzle.

1, 6, 18, 53, 148, 416, 1144, 3060, 7135, 12959, 14050, 4858, 252

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 turn of a disc by any amount.

Links

Table of n, a(n) for n=0..12.

Jaap Scherphuis, Puzzle Pages

Crossrefs

Cf. A079844.

Sequence in context: A015645 A001216 A318484 * A290582 A346071 A076941

Adjacent sequences: A079840 A079841 A079842 * A079844 A079845 A079846

Keyword

nonn,fini,full

Author

N. J. A. Sloane, Feb 21 2003

Status

approved