k     xw(k)
                    1    1 
                    2    .7 
                    3    1.224893 
                    4    .9586393 
                    5    .7074845 
                    6    1.191583 
                    7    .8794259 
                    8    .7662155 
                    9    .983257 
                    10   .701221 
                    11   1.219338 
                    12   .9440447 
                    13   .7137592 
                    14   1.164982 
                    15   .8290671 
                    16   .8394346 
                    17   .821689 
                    18   .8529903 
                    19   .8006635 
                    20   .8961539 
                    21   .7485398 
                    22   1.037111 
                    23   .7060191 
                    24   1.197967 
                    25   .8931281 
                    26   .7515128 
                    27   1.027571 
                    28   .703316 
                    29   1.209918 
                    30   .9206076 
                    31   .7279751 
                    32   1.108897 
                    33   .7535575 
                    34   1.021127 
                    35   .7019451 
                    36   1.216066 
                    37   .9357216 
                    38   .7182136 
                    39   1.1468 
                    40   .8003567 
                    41   .8968361 
                    42   .7478828 
                    43   1.039246 
                    44   .7067351 
                    45   1.19484 
                    46   .886333 
                    47   .758547 
                    48   1.005789 
                    49   .7001458 
                    50   1.224227