0,3

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 96. Here positions differing by rotations are considered the same.

Jaap Scherphuis, Puzzle Pages

Cf. A010928, A080560-A080564.

Adjacent sequences: A080557 A080558 A080559 this_sequence A080561 A080562 A080563

Sequence in context: A066541 A087122 A037221 this_sequence A057587 A032438 A025083

nonn,fini,full

njas, Feb 21 2003