已知数列{an}满足an=2an-1+2n+2,a1=2
已知数列{an}满足an+1=2an+3.5^n,a1=6.求an
已知数列{an}满足an=2an-1+2n+2,a1=2
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=1/2,sn=n^2an,求通项an
已知数列an满足an=1+2+...+n,且1/a1+1/a2+...+1/an
已知数列{an}满足a1=100,an+1-an=2n,则a
已知数列an满足a1=1/2 sn=n平方×an 求an
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},满足a1=1/2,Sn=n²×an,求an
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}中,a1=1,满足an+1=an+2n,n属于N*,则an等于
数列{an}满足a1=1 an+1=2n+1an/an+2n