a(n) = smallest m such that for every red-blue edge-coloring of the graph K_{m} there exists either a red 4-cycle or a blue K_{1,n}; Ramsey number r(C_4, K_{1,n}).

A006672

a(n) = smallest m such that for every red-blue edge-coloring of the graph K_{m} there exists either a red 4-cycle or a blue K_{1,n}; Ramsey number r(C_4, K_{1,n}).