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
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