private static void computeA(int n, double[] A, double z) { A[0] = 0; A[1] = 0; A[2] = z; A[3] = 1 - z; for (int i = 4; i < A.Length - 1; i++) A[i] = A[i - 2] + 1; A[A.Length - 1] = n; }