OFFSET
1,4
LINKS
Eric Weisstein's World of Mathematics, Hamiltonian Cycle
Eric Weisstein's World of Mathematics, Mycielski Graph
FORMULA
a(n) = A143247(n)/2.
CROSSREFS
KEYWORD
nonn,more,hard
AUTHOR
Eric W. Weisstein, May 06 2019
EXTENSIONS
a(6) from Eric W. Weisstein, Aug 25 2025
STATUS
approved