OFFSET
1,2
COMMENTS
Paths of length zero are not counted here. - Andrew Howroyd, Jun 10 2017
LINKS
Eric Weisstein's World of Mathematics, Graph Path
Eric Weisstein's World of Mathematics, Grid Graph
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Jun 04 2017
EXTENSIONS
a(6)-a(12) from Andrew Howroyd, Jun 10 2017
STATUS
approved