首都师范大学学报(自然科学版)JournalofCapitalNormalUniversity(NaturalScienceEdition)No.6Dec.,2023第44卷第6期2023年12月DOI:10.19789/j.1004-9398.2023.06.003文献引用:黄炜,刘龙展.关于Smarandachekn数列及其与SmarandacheLCM函数的混合均值[J].首都师范大学学报(自然科学版),2023,44(6):12-15.HUANGW,LIULZ.Smarandachekn-digitalsequenceandit’sasymptoticpropertiesofSmarandacheLCMfunction[J].JournalofCapitalNormalUniversity(NaturalScienceEdition),2023,44(6):12-15.关于Smarandachekn数列及其与SmarandacheLCM函数的混合均值*黄炜**,刘龙展(新疆科技学院基础教学研究部,新疆库尔勒841000)摘要:应用解析方法、初等方法和组合方法,研究了Smarandachekn数字数列a[]k,n与SmarandacheLCM函数SL(n)的复合均值分布性质,给出了一个较强均值渐近公式;还利用初等方法研究了Smarandachekn-数字子序列无穷级数f()m,k的收敛性。关键词:Smarandachekn数字数列;SmarandacheLCM函数SL(n);均值;渐近公式;无穷级数;收敛性中图分类号:O156.4文献标识码:ASmarandachekn-digitalsequenceandit’sasymptoticpropertiesofSmarandacheLCMfunction*HUANGWei**,LIULongzhan(DepartmentofBasic,XinjiangInstituteofScienceandTechnology,KorlaXinjiang841000)Abstract:ThepropertiesofthehybridmeanvalueofSmarandachekn-digitalserieswithSmarandacheLCMfunctionSL(n)arestudiedusingelementaryandcombinationalmethods,andonesharperasymptoticformulaeforitarepresented.AlsothemainpurposeofthispaperisusingtheelementarymethodtostudytheconvergentpropertiesoftheinfiniteseriesinvolvingtheSmarandachekn-digitalsubsequencef()m,k.Keywords:Smarandachekn-digitalsequence;SmarandacheLCMfunctionSL(n);meanvalue;asymptoticformula;infiniteseries;convergenceCLC:O156.4DC:A0引言设对于任意的整数k,1≤k≤9,Smarandachekn数和字数列a[]k,n被定义为[]1−5:它的任一项能被拆分成前后2部分,且前面部分的k倍构成后面部分。因此Smarandache2n,3n,…,9n数字数列a()2,n,a()3,n,…,{a(9,n)}即为:{a(2,n)}={12,24,36,48,510,612,714,816,…},{a(3,n)}={13,26,39,412,515,618,721,824,…},…,{a(9,n)}={19,218,327,436,545...