已知数列{an}满足a1=4,3an=5an(n下-1) +1,求an
已知数列{an}满足an+1=2an+3.5^n,a1=6.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=2an+3×2∧n,a1=2求an
已知数列{an}满足a1=1,an=(an-1)/3an-1+1,(n>=2,n属于N*),求数列{an}的通项公式
已知数列{an}满足an+1+an=4n-3 当a1=2时,求Sn
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=2(n+1)*5的n次方*An,A1=3,用累乘法求数列{An}的通项公式
已知数列{an}满足an+1=an+n,a1等于1,则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=1/2,an+1=an+1/n的平方+n求an
已知数列{an}满足a1=1,(4^n-1)an=an-1