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i = 25%           0 < n < 50


  n      F/P, i, n       P/F, i, n        F/A, i, n       A/F, i, n      P/A, i, n       A/P, i, n

  1  |      1.250000  |  0.80000000  |       1.000000  |  1.00000000  |  0.80000000  |  1.2500000000
  2  |      1.562500  |  0.64000000  |       2.250000  |  0.44444444  |  1.44000000  |  0.6944444444
  3  |      1.953125  |  0.51200000  |       3.812500  |  0.26229508  |  1.95200000  |  0.5122950820
  4  |      2.441406  |  0.40960000  |       5.765625  |  0.17344173  |  2.36160000  |  0.4234417344
  5  |      3.051758  |  0.32768000  |       8.207031  |  0.12184674  |  2.68928000  |  0.3718467396
  6  |      3.814697  |  0.26214400  |      11.258789  |  0.08881950  |  2.95142400  |  0.3388194987
  7  |      4.768372  |  0.20971520  |      15.073486  |  0.06634165  |  3.16113920  |  0.3163416530
  8  |      5.960464  |  0.16777216  |      19.841858  |  0.05039851  |  3.32891136  |  0.3003985063
  9  |      7.450581  |  0.13421773  |      25.802322  |  0.03875620  |  3.46312909  |  0.2887562013
 10  |      9.313226  |  0.10737418  |      33.252903  |  0.03007256  |  3.57050327  |  0.2800725624
 11  |     11.641532  |  0.08589935  |      42.566129  |  0.02349286  |  3.65640262  |  0.2734928576
 12  |     14.551915  |  0.06871948  |      54.207661  |  0.01844758  |  3.72512209  |  0.2684475770
 13  |     18.189894  |  0.05497558  |      68.759576  |  0.01454343  |  3.78009767  |  0.2645434288
 14  |     22.737368  |  0.04398047  |      86.949470  |  0.01150093  |  3.82407814  |  0.2615009326
 15  |     28.421709  |  0.03518437  |     109.686838  |  0.00911686  |  3.85926251  |  0.2591168642
 16  |     35.527137  |  0.02814750  |     138.108547  |  0.00724068  |  3.88741001  |  0.2572406815
 17  |     44.408921  |  0.02251800  |     173.635684  |  0.00575918  |  3.90992801  |  0.2557591848
 18  |     55.511151  |  0.01801440  |     218.044605  |  0.00458622  |  3.92794241  |  0.2545862176
 19  |     69.388939  |  0.01441152  |     273.555756  |  0.00365556  |  3.94235392  |  0.2536555619
 20  |     86.736174  |  0.01152922  |     342.944695  |  0.00291592  |  3.95388314  |  0.2529159221
 21  |    108.420217  |  0.00922337  |     429.680869  |  0.00232731  |  3.96310651  |  0.2523273086
 22  |    135.525272  |  0.00737870  |     538.101086  |  0.00185839  |  3.97048521  |  0.2518583869
 23  |    169.406589  |  0.00590296  |     673.626358  |  0.00148450  |  3.97638817  |  0.2514845025
 24  |    211.758237  |  0.00472237  |     843.032947  |  0.00118619  |  3.98111053  |  0.2511861933
 25  |    264.697796  |  0.00377789  |    1054.791184  |  0.00094805  |  3.98488843  |  0.2509480549
 26  |    330.872245  |  0.00302231  |    1319.488980  |  0.00075787  |  3.98791074  |  0.2507578692
 27  |    413.590306  |  0.00241785  |    1650.361225  |  0.00060593  |  3.99032859  |  0.2506059280
 28  |    516.987883  |  0.00193428  |    2063.951531  |  0.00048451  |  3.99226287  |  0.2504845075
 29  |    646.234854  |  0.00154743  |    2580.939414  |  0.00038746  |  3.99381030  |  0.2503874558
 30  |    807.793567  |  0.00123794  |    3227.174268  |  0.00030987  |  3.99504824  |  0.2503098686
 31  |   1009.741959  |  0.00099035  |    4034.967835  |  0.00024783  |  3.99603859  |  0.2502478335
 32  |   1262.177448  |  0.00079228  |    5044.709793  |  0.00019823  |  3.99683087  |  0.2501982275
 33  |   1577.721810  |  0.00063383  |    6306.887242  |  0.00015856  |  3.99746470  |  0.2501585568
 34  |   1972.152263  |  0.00050706  |    7884.609052  |  0.00012683  |  3.99797176  |  0.2501268294
 35  |   2465.190329  |  0.00040565  |    9856.761315  |  0.00010145  |  3.99837741  |  0.2501014532
 36  |   3081.487911  |  0.00032452  |   12321.951644  |  0.00008116  |  3.99870193  |  0.2500811560
 37  |   3851.859889  |  0.00025961  |   15403.439555  |  0.00006492  |  3.99896154  |  0.2500649206
 38  |   4814.824861  |  0.00020769  |   19255.299444  |  0.00005193  |  3.99916923  |  0.2500519338
 39  |   6018.531076  |  0.00016615  |   24070.124305  |  0.00004155  |  3.99933539  |  0.2500415453
 40  |   7523.163845  |  0.00013292  |   30088.655381  |  0.00003324  |  3.99946831  |  0.2500332351
 41  |   9403.954807  |  0.00010634  |   37611.819226  |  0.00002659  |  3.99957465  |  0.2500265874
 42  |  11754.943508  |  0.00008507  |   47015.774033  |  0.00002127  |  3.99965972  |  0.2500212695
 43  |  14693.679385  |  0.00006806  |   58770.717541  |  0.00001702  |  3.99972777  |  0.2500170153
 44  |  18367.099232  |  0.00005445  |   73464.396926  |  0.00001361  |  3.99978222  |  0.2500136120
 45  |  22958.874039  |  0.00004356  |   91831.496158  |  0.00001089  |  3.99982578  |  0.2500108895
 46  |  28698.592549  |  0.00003484  |  114790.370197  |  0.00000871  |  3.99986062  |  0.2500087115
 47  |  35873.240687  |  0.00002788  |  143488.962747  |  0.00000697  |  3.99988850  |  0.2500069692
 48  |  44841.550858  |  0.00002230  |  179362.203434  |  0.00000558  |  3.99991080  |  0.2500055753
 49  |  56051.938573  |  0.00001784  |  224203.754292  |  0.00000446  |  3.99992864  |  0.2500044602
 50  |  70064.923216  |  0.00001427  |  280255.692865  |  0.00000357  |  3.99994291  |  0.2500035682