4 5 6 8 10 12 14 16 18 20 22 24 27 30 16 2.25 2.93 3.15 5.86 9.75 14.9 20 2.48 3.15 3.38 6.14 10.3 16 26.4 35.2 49.4 25 2.93 3.38 3.6 6.98 11.4 17.4 28 36.5 52.2 68.3 30 2.75 3.83 3.9 7.81 12.6 18.1 29.4 37.9 54.7 71.7 35 3.15 4.05 4.28 8.65 13.7 19.5 31.4 39 57.4 74.9 40 3.6 4.5 4.95 9.49 14.8 20.8 33.1 42.1 60.6 78.1 109 45 3.83 4.95 5.63 10.6 16.4 22.5 35.5 45 64 81.4 117 148 208 50 4.05 5.63 6