已知数列an满足a1=1,an+1/an=-1,则数列是?递减还是递增还是摆动还是常数列.
已知:等差数列,满足an+an+1+an+2=4则该数列为递增数列
已知sn是数列an的前n项和,sn+sn+1=a n+1,此数列为 递增还是递减
若数列{An}满足An+1=An^2,则称数列{An}为“平方递推数列”,已知数列{an}中,a1=9,点(an,an+
已知数列{an}满足an+1=an+n,a1等于1,则an=?
已知数列{an},如果数列{bn}满足b1=a1,bn=an+a(n-1)则称数列{bn}是数列{an}的生成数列
已知数列{An}满足A1=1,An+1=2An+2^n.求证数列An/2是等差数列
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=100,an+1-an=2n,则a
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=2,an+1=2an/an+2,则an等于多少
已知正项等比数列{an}是递增数列,且满足a1+a5=246,a2a4=729期(1)求数列an的通项公式
已知数列 an 满足a1=1,an+1=2an+n+1,若数列{an+pn+q}是等比数列,则pq的值