OFFSET
0,2
COMMENTS
Sum_{n=0..12} a(n) = 12^14.
LINKS
cube20.org. Rubik's Clock has now been solved!
Eric Weisstein's World of Mathematics, Rubik's Clock
CROSSREFS
KEYWORD
nonn,fini,full
AUTHOR
Eric W. Weisstein, Apr 02 2015
STATUS
approved