OFFSET
1,2
LINKS
Eric Weisstein's World of Mathematics, Andrásfai Graph
Eric Weisstein's World of Mathematics, Vertex Cut
FORMULA
a(n) = 2^(3*n-1) - 1 - A287995(n). - Pontus von Brömssen, Apr 23 2023
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Apr 23 2023
EXTENSIONS
a(9)-a(15) (based on data in A287995) from Pontus von Brömssen, Apr 23 2023
STATUS
approved