讨论 / 超级大水题....
DarkMaster 2008-09-23 06:51:00
点我顶贴 收藏 删除
碳个数,通分异构体数

0, 1

1, 1

2, 1

3, 1

  4, 2

  5, 3

  6, 5

  7, 9

  8, 17

  9, 35

  10, 75

  11, 159

  12, 355

  13, 802

  14, 1858

  15, 4347

  16, 10359

  17, 24894

  18, 60523

  19, 148284

  20, 366319

  21, 910726

  22, 2278658

  23, 5731580

  24, 14490245

  25, 36797588

  26, 93839412

  27, 240215803

  28, 617105614

  29, 1590507121

  30, 4111846763

  31, 10660307791

  32, 27711253769

  33, 72214088660

  34, 188626236139

  35, 493782952902

  36, 1295297588128

  37, 3404490780161

  38, 8964747474595

  39, 23647478933969

  40, 62481801147341

  41, 165351455535782

  42, 438242894769226

  43, 1163169707886427

  44, 3091461011836856

  45, 8227162372221203

  46, 21921834086683418

  47, 58481806621987010

  48, 156192366474590639

  49, 417612400765382272

  50, 1117743651746953270

  51, 2994664179967370611

  52, 8031081780535296591

  53, 21557771913572630901

  54, 57919180873148437753

  55, 155745431857549699124

  56, 419149571193411829372

  57, 1128939578361332867936

  58, 3043043571906827182530

  59, 8208615366863753915949

  60, 22158734535770411074184

#1 wish@2008-09-22 05:40:00
回复 删除
话说一开始满分的那个人也是表
#2 DarkMaster@2008-09-22 05:48:00
回复 删除
看得出来....
#3 guoshi3@2008-09-22 05:58:00
回复 删除
这样不好,不好

#4 DarkMaster@2008-09-22 06:00:00
回复 删除
.............没办法,既然题目都这么出了...
#5 Jollwish@2008-09-22 06:20:00
回复 删除
这是吗规律?
#6 Zx.MYS@2008-09-22 07:20:00
回复 删除
对啊,这是什么规律??
#7 guoshi3@2008-09-23 05:53:00
回复 删除
应该怎么做呢
#8 Zx.MYS@2008-09-23 05:58:00
回复 删除
好像有篇文章叫 《烷烃所有同分异构体的计算机求解》
#9 guoshi3@2008-09-23 06:51:00
回复 删除
你去找了来吧:D
查看更多回复
提交回复