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采用科学计数法,再计算,得到
K(n) 的前75项,如下:
1,1,3,12,55,273,1428,7752,43263,246675,1430715,8414640,50067108,300830572,1822766520,
11124755664,68328754959,422030545335,2619631042665,16332922290300,102240109897695,642312451217746,
4.04851484403913E+15,2.55944037411317E+16,1.62250238001817E+17,1.03114798315979E+18,
6.56851741377105E+18,4.19323535909429E+19,2.68225186597701E+20,1.71892996554286E+21,1.10349667951898E+22,
7.09560230486396E+22,4.56949965738719E+23,2.94692427022542E+24,1.90306490596398E+25,1.23052100237543E+26,
7.96607831560622E+26,5.16287994616852E+27,3.34969627129403E+28,2.17550867863013E+29,1.41428207709834E+30,
9.20260006852421E+30,5.99328996059367E+31,3.90645234961543E+32,2.54827184042207E+33,1.66356412967036E+34,
1.08679967966405E+35,7.10496811856533E+35,4.64798590900734E+36,3.04260549454807E+37,1.99293672373586E+38,
1.30616458261516E+39,8.56542543599596E+39,5.62001260885169E+40,3.68938646289547E+41,2.42321078442568E+42,
1.59235736486673E+43,1.04687476184488E+44,6.88567758918112E+44,4.53095434582224E+45,2.98275345798751E+46,
1.96437153964454E+47,1.29420401050643E+48,8.53000303587626E+48,5.62416079527545E+49,3.70956832348855E+50,
2.447605128273E+51,1.61550056559312E+52,1.0666361559582E+53,7.04473645075351E+53,4.6542368235129E+54,
3.07583947979984E+55,2.0333243457699E+56,1.3445406975258E+57,8.89328433435087E+57,5.88393826582104E+58,
得出前n项的和,如下:
.5625,.5859375,.59765625,.6043701171875,.608535766601563,.611259460449219,.613107681274414,.614397019147873,
.615315955132246,.615982183720917,.616471980232745,.616836266388418,.617109870199783,.617317094761347,
.61747518704783,.617596563299029,.617690272904735,.617762982272224,.617819648479681,.617863988059387,
.617898807887139,.617926241690821,.617947920994055,.617965099906216,.617978747036142,.617989613736658,
.61799828514414,.618005218602707,.61801077276498,.618015229752574,.618018812116259,.618021695875968,
.618024020589315,.618025897156196,.618027413890433,.618028641259134,.618029635593643,.618030442003687,
.618031096672017,.618031628665806,.618032061369982,.618032413623906,.618032700624698,.618032934646507,
.618033125614304,.61803328156241,.618033409001525,.618033513212974,.618033598484942,.618033668302421,
.618033725500122,.618033772385737,.618033810839424,.618033842394182,.618033868300871,.618033889580854,
.618033907068666,.618033921446632,.618033933272974,.618033943004662,.618033951015988,.618033957613703,
.618033963049335,.618033967529237,.618033971222789,.618033974269086,.618033976782407,.618033978856686,
.618033980569167,.618033981983395,.618033983151668,.618033984117047,.618033984914996,.618033985574736,
.618033986120355,
从以上看出第一题概率基本上略大于0.61803398
而黄金分割点的值为0.6180339887.
两者惊人的相等。可以想象,第一题概率将会等于黄金分割值,(根号5-1)/2。
天哪,真的等于黄金分割值??? |
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