A080630 Consider 3 X 3 X 3 Rubik cube, but consider only positions of corners; sequence gives number of positions that are exactly n moves from the start.

1, 12, 114, 924, 6539, 39528, 199926, 806136, 2761740, 8656152, 22334112, 32420448, 18780864, 2166720, 6624

Offset

0,2

Comments

Total number of positions = 88179840. Here a half-turn is counted as two moves.

Links

Table of n, a(n) for n=0..14.

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

Crossrefs

Cf. A080601, A080614, etc.

Sequence in context: A231379 A237855 A055287 * A005543 A257287 A125400

Adjacent sequences: A080627 A080628 A080629 * A080631 A080632 A080633

Keyword

nonn,fini,full

Author

N. J. A. Sloane, Feb 26 2003

Status

approved