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A286124
Number of (undirected) paths in n X n bishop graph.
0
0, 2, 40, 1564, 497400, 1187052462
OFFSET
1,2
LINKS
Eric Weisstein's World of Mathematics, Bishop Graph
Eric Weisstein's World of Mathematics, Graph Path
FORMULA
a(n) = A291997(n) + A291999(n). - Pontus von Brömssen, Nov 22 2020
CROSSREFS
Sequence in context: A304448 A012241 A341589 * A275931 A099707 A198248
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Jun 15 2017
EXTENSIONS
a(6) from Eric W. Weisstein, May 06 2019
STATUS
approved