几个数列问题.已知数列{an} a1=1,an+1=an/(1+n^2*an) 求an 已知数列{an} 满足a1=1
已知数列{an}满足an+1=2an+3.5^n,a1=6.求an
已知数列an满足a1=1/2 sn=n平方×an 求an
已知数列{an},满足a1=1/2,Sn=n²×an,求an
已知数列{an}满足an+1=an+n,a1等于1,则an=?
若数列{An}满足An+1=An^2,则称数列{An}为“平方递推数列”,已知数列{an}中,a1=9,点(an,an+
已知数列{An}满足A1=1,An+1=2An+2^n.求证数列An/2是等差数列
已知数列{an}满足a1=1/2,an+1=an+1/n的平方+n求an
已知数列{an}满足a1=33,an+1-an=2n 则求an/n?
已知数列{an}满足a1=33,an+1-an=2n 则求an/n的最小值
已知数列(an)满足an+1=2an+3×2∧n,a1=2求an
数列{an}满足a1=1,且an=an-1+3n-2,求an
已知数列an满足an=1+2+...+n,且1/a1+1/a2+...+1/an