a1=1.a(n+1)=2an+1求通项
a1=2,a(n+1)=an^2求通项
已知数列{an}满足,a1=2,a(n+1)=3根号an,求通项an
已知数列{An}中a1=1.且A(n+1)=6n*2^n-An.求通项公试An
1.数列{an}满足a(n+1)=an+2^n,且a1=1,求通项公式
设数列{an}中,a1=2,a(n+1)=an+n+1,求an
数列{an},a1=1,a(n+1)=2an-n^2+3n
A1=1,A(n+1)/An=(n+2)/n,求An?
已知数列an中,a1=1,a(n+1)=3an+2^n,求通项公式an
1.已知数列{an}中,a1=1,an=3^(n-1)+a(n-1)(n>=2"),求通项公式an
已知数列an中,a1=2且a n+1(下标)=[n+2/n]×an,求通项公式
已知数列an中满足a1=1且当n.=2时,2an*a*(n-1)+an-a(n-1)=0,求通项公式an
如果数列{an}中,a1=3,a(n+1)-2an=2an*a(n+1)(an不等于0),求通项公式an