OFFSET
2,2
LINKS
Eric Weisstein's World of Mathematics, Halved Cube Graph
Eric Weisstein's World of Mathematics, Hamiltonian Cycle
CROSSREFS
KEYWORD
nonn,hard,more
AUTHOR
Eric W. Weisstein, Jan 18 2017
EXTENSIONS
a(6) from Eric W. Weisstein, Feb 10 2017
STATUS
approved