1,2

It would be nice to have a more precise definition of this sequence! - njas, Feb 28 2003.

J. H. Conway, personal communication.

Xavier Servantie, All about Rubik's cube

See A054434, A075152, A074914 for other versions.

Adjacent sequences: A007455 A007456 A007457 this_sequence A007459 A007460 A007461

Sequence in context: A075404 A141643 A013910 this_sequence A072244 A067669 A068741

nonn,nice

njas