已知数列{an},A1=1 A(n+1)=2an/an+2 求a5
已知数列(an)满足a1=1,an+1=2an/an+2(n∈N*) 求a2,a3,a4,a5 猜想数列(an)的通项公
已知数列{an}满足an+1=2an+3.5^n,a1=6.求an
数列an中,a1=1,a1a2...an=n*2,求a3+a5
已知数列{An}中,A1=1,A(n+1)=An/(1+2An),求An
已知数列an满足条件a1=-2 an+1=2an+1则a5
已知数列{an}满足a1=1,an+1={2an n为奇数,an+2,n为偶数},且a1+a3+a5+.+a2k--=3
已知数列{an}满足a1=33,a(n+1)-an=2n,求an/n的最小值
设数列{an}中,a1=2,a(n+1)=an+n+1,求an
已知数列(an)中 a1=1 ,a2=3,an=a(n-1)+1/(an-2) (n大于等于3) 则a5等于?
已知数列an中,a1=2,a(n+1)=1/an+1求2009
已知数列{an}满足a(n+1)=an+3n+2,且a1=2,求an=?
已知数列an满足a(n+1)=an+3n+2,且a1=2,求an