OFFSET
1,2
LINKS
Eric Weisstein's World of Mathematics, Hamiltonian Path
Eric Weisstein's World of Mathematics, King Graph
FORMULA
a(n) = A158651(n)/2 for n > 1.
CROSSREFS
KEYWORD
nonn,hard
AUTHOR
Eric W. Weisstein, May 14 2019
EXTENSIONS
a(1) corrected by Andrew Howroyd, Jan 16 2022
STATUS
approved