OFFSET
3,3
LINKS
Eric Weisstein's World of Mathematics, Cycle Complement Graph
Eric Weisstein's World of Mathematics, Total Domination Number
Index entries for linear recurrences with constant coefficients, signature (4, -5, 2).
FORMULA
a(n) = 2^n - 4*n - 1 for n > 4.
G.f.: x^4*(-1 - 7*x + 4*x^3)/((-1 + x)^2*(-1 + 2*x)).
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Eric W. Weisstein, Sep 03 2021
STATUS
approved