OFFSET
0,5
LINKS
Eric Weisstein's World of Mathematics, Chordless Cycle
Eric Weisstein's World of Mathematics, Triangular Grid Graph
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Jan 02 2018
EXTENSIONS
a(7)-a(18) from Andrew Howroyd, Jan 08 2018
STATUS
approved