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A079738 Number of positions that are exactly n moves from the starting position in the Hockey Puck puzzle. 4
1, 6, 30, 147, 708, 3408, 16177, 75384, 334836, 1400827, 5019071, 12427541, 14323585, 6051014, 263992, 73 (list; graph; refs; listen; history; text; internal format)
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 10! = 3628800. Here we use moves of all types a-f.

LINKS

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

Jaap Scherphuis, Puzzle Pages

CROSSREFS

Cf. A079735-A079737.

Sequence in context: A089817 A006320 A319377 * A127741 A073965 A214940

Adjacent sequences:  A079735 A079736 A079737 * A079739 A079740 A079741

KEYWORD

nonn,fini,full

AUTHOR

N. J. A. Sloane, Feb 20 2003

STATUS

approved

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Last modified April 20 03:12 EDT 2019. Contains 322294 sequences. (Running on oeis4.)