N= 30 f= 19.861250 1 0 2 0 3 1 4 1 5 0 6 0 7 0 8 0 9 1 10 0 11 0 12 0 13 0 14 0 15 0 16 1 17 1 18 0 19 0 20 0 21 0 22 0 23 0 24 0 25 0 26 0 27 1 28 0 29 1 30 1