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A288032
Number of (undirected) paths in the n X n grid graph.
4
0, 12, 322, 14248, 1530196, 436619868, 343715004510, 766012555199052, 4914763477312679808, 91781780911712980966236, 5028368533802124263609489682, 813124448051069045700905179168520
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
Main diagonal of A288518.
Sequence in context: A080325 A083431 A239781 * A365280 A080141 A153468
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Jun 04 2017
EXTENSIONS
a(6)-a(12) from Andrew Howroyd, Jun 10 2017
STATUS
approved