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A362509
Number of vertex cuts in the n X n black bishop graph.
0
0, 0, 9, 87, 2940, 67392, 6075837, 442152975, 133476737988
OFFSET
1,3
LINKS
Eric Weisstein's World of Mathematics, Black Bishop Graph
Eric Weisstein's World of Mathematics, Vertex Cut
FORMULA
a(n) = 2^ceiling(n^2/2) - 1 - A290719(n). - Pontus von Brömssen, Apr 23 2023
CROSSREFS
Cf. A290719.
Sequence in context: A351525 A245491 A160466 * A015583 A152266 A260041
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Apr 23 2023
EXTENSIONS
a(8)-a(9) (based on data in A290719) from Pontus von Brömssen, Apr 23 2023
STATUS
approved