数列{an}满足an+1=2an 0≤an≤1/2 an+1=2an-1 1/2≤an
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a1=1,1/an+1=根号1/an^2+2,an>0,求an
一直数列{an}满足a1=0,an=(an-1 +4)/(2an-1) ,求 an
数列{an}满足a1=1 an+1=2n+1an/an+2n
数列{an}满足a1=1,且an=an-1+3n-2,求an
数列an满足a1=2,an+1=4an+9,则an=?
已知数列{an}满足an+1=2an+3.5^n,a1=6.求an
数列an满足a1=2,an+1=an²求an
数列an中,a1=3,an+1=an/2an+1,则an=?
已知数列{an}满足a1=1,a2=3,an+2=3an+1-2an求an
已知数列an满足 a1=1/2,an+1=3an/an+3求证1/an为等差数列
已知数列{an}满足a1=2,an+1=2an/an+2,则an等于多少