已知数列{an}满足a1=1,an+1*an=2的n次方,则S2012=?
已知数列{an}满足a1=1,an+1*an=2的n次方,则S2012=?
已知数列{AN}满足A1=1,AN+1=2AN+2的N次方.
已知数列{an}满足a1=1,an=3的n-1次方+an-1(n≥2)
已知数列an的前n项和为Sn,a1=1,当n>=2时,an+2Sn-1=n,则S2012等于
已知数列{an}满足a1=33,an+1-an=2n 则求an/n的最小值
设等比数列{an}的前n项和为Sn,已知a1=2011,且an+2an+1+an+2=0(N∈N*),则S2012?
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an+1=2an+3.5^n,a1=6.求an
已知数列{an}满足a1=100,an+1-an=2n,则a
已知数列{an中}a1=3.且an+1=an+2的n次方
已知数列{an}中,a1=1,满足an+1=an+2n,n属于N*,则an等于