OFFSET
1,6
COMMENTS
a(1) = 1 follows from the convention that K_1 is traceable and bipartite.
Otherwise, a(2*n + 1) = 0.
LINKS
Eric Weisstein's World of Mathematics, Hamilton-Laceable Graph
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Jan 20 2014
STATUS
approved