1 1.0000000000
11 0.6174015488
21 0.1787028332
31 0.0374476862
41 0.0066461400
51 0.0010668677
61 0.0001601458
71 0.0000229137
81 0.0000031627
91 0.0000004245
101 0.0000000557
111 0.0000000072
121 0.0000000009
131 0.0000000001
141 0.0000000000
151 0.0000000000