OFFSET
1,2
LINKS
Andrew Howroyd, Table of n, a(n) for n = 1..50
Eric Weisstein's World of Mathematics, Rook Graph
Eric Weisstein's World of Mathematics, Vertex Cut
FORMULA
a(n) = 2^(n^2) - 1 - A286189(n). - Andrew Howroyd, Apr 30 2023
CROSSREFS
KEYWORD
nonn
AUTHOR
Eric W. Weisstein, Apr 25 2023
EXTENSIONS
Terms a(6) and beyond from Andrew Howroyd, Apr 30 2023
STATUS
approved