OFFSET
3,1
LINKS
Eric Weisstein's World of Mathematics, Hamiltonian Path
Eric Weisstein's World of Mathematics, Torus Grid Graph
FORMULA
a(n) = 2 * A268838(n). - Andrew Howroyd, May 06 2017
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Nov 15 2016
EXTENSIONS
a(7)-a(8) from Andrew Howroyd, May 06 2017
STATUS
approved