数列+数归题,已知数列{an}满足 a1=1/4an+1=5an/(an+5)猜测通项,并用数归证明

已知数列{an}满足a1=1 an+1=an/(3an+1) 则球an 数列+数归题,已知数列{an}满足 a1=1/4an+1=5an/(an+5)猜测通项,并用数归证明 已知数列{an}满足a1=1/2,an+1=3an+1,求数列{an}通项公式 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+a2+a3+.+an=n^2,求数列{an}的通项an. 已知数列{an}满足an+1=an+n,a1等于1,则an=? 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+a2+...+an=n²an求其通项an 已知数列an满足a1=1,a(n+1)=an/(3an+1) 求数列通项公式 已知数列{an}满足:a1=3,an=Sn-1+2n,求数列an及sn 已知数列{an}满足关系式lg（1+a1+a2+.+an）=n,求数列{an}的通项公式 已知数列{an},满足a1=1/2,Sn=n²×an,求an 已知数列{an}满足a1=1/2,sn=n^2an,求通项an 已知数列{an}满足3an+1+an=4,a1=9,求通项公式. 已知数列an满足a1=1/2 sn=n平方×an 求an 已知数列{an}满足a(n+1)=an+n,a1=1,则an= 已知数列An满足 A1=1/2 Sn=N²An 求An 已知数列满足a1=1 ,an+1+2an=2 求an