N= 30 f= 24.800000 1 0 2 0 3 0 4 1 5 0 6 1 7 0 8 0 9 0 10 0 11 0 12 0 13 1 14 0 15 1 16 1 17 1 18 0 19 0 20 0 21 1 22 1 23 0 24 1 25 0 26 0 27 0 28 0 29 0 30 1