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A080621 Consider 3 X 3 X 3 Rubik cube, but only allow the double anti-slice group to act; sequence gives number of positions that are exactly n moves from the start. +0
1
1, 9, 51, 265, 864, 1785, 2017, 1008, 144 (list; graph; listen)
OFFSET

0,2

COMMENT

Not every position can be reached using this restricted set of moves. Total number of positions that can be reached = 6144.

REFERENCES

Mark Longridge, posting to Cube Lovers List, Apr 14 1995 and May 21 1995.

LINKS

Alan Bawden, Cube Lovers Archive, Part 15

Alan Bawden, Cube Lovers Archive, Part 16

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

CROSSREFS

Cf. A080601, A080614, etc.

Sequence in context: A097789 A080624 A125319 this_sequence A027218 A126477 A120665

Adjacent sequences: A080618 A080619 A080620 this_sequence A080622 A080623 A080624

KEYWORD

nonn,fini,full

AUTHOR

njas, Feb 26 2003

page 1

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Last modified September 5 19:27 EDT 2008. Contains 143485 sequences.


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