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A291997
Number of (undirected) paths in the n X n black bishop graph.
1
0, 1, 28, 782, 372356, 593526231
OFFSET
1,3
LINKS
Eric Weisstein's World of Mathematics, Black Bishop Graph
Eric Weisstein's World of Mathematics, Graph Path
CROSSREFS
Sequence in context: A152127 A113532 A158545 * A171333 A097311 A223495
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Sep 07 2017
EXTENSIONS
a(6) from Eric W. Weisstein, May 06 2019
STATUS
approved