数列{an}满足a1>1,a(n+1)=an^2-an+1,且1/a1+1/a2+...1/a2013=2,则a2014
数列{an}满足a1>1,a(n+1)=an^2-an+1,且1/a1+1/a2+...1/a2013=2,则a2014
已知数列an满足an=1+2+...+n,且1/a1+1/a2+...+1/an
一直数列{An}满足A1=1/2,A1+A2+…+An=n^2An
已知数列{an}满足:a1=1,且an-a(n-1)=2n.求a2,a3,a4.求数列{an}通项an
数列{an}满足a1=1,且an=an-1+3n-2,求an
已知数列{an}满足a1=1;an=a1+2a2+3a3+...+(n-1)a(n-1);
在数列{An}中,已知A1=1,A2=2且满足A(n+2)-2An=0.
已知数列an满足an=1+2+...n,且(1/a1)+(1/a2)+...(1/an)
已知数列{an}中满足a1=1,a(n+1)=2an+1 (n∈N*),证明a1/a2+a2/a3+…+an/a(n+1
设数列{an}满足an+1/an=n+2/n+1,且a1=2
【高中数学数列】已知数列an满足a1=1,a2=2,且an=an-1/an-2 (n大于等于3)则a2012=?
已知数列{an}满足:a1=1,且an-an-1=2n,求(1)a2,a3,a4.(2)求数列{an}的通项an