已知数列{an},A1=1 A(n+1)=2an/an+2 求a5

已知数列{an}满足a(n+1)=an+n,a1=1,则an= 已知数列｛an｝中,a(n+1)=an+2^n,a1=3,求an 已知数列{an},A1=1 A(n+1)=2an/an+2 求a5 已知数列{an}满足a(n+1)=an+lg2,a1=1,求an 已知数列｛an},a1=-1,a(n+1)=an+n,求通项公式 已知数列an满足a1=1,a(n+1)=an/(3an+1) 求数列通项公式 已知数列an满足:a1=1,an-a(n-1)=n n大于等于2 求an 已知数列{an}满足a1=33,a(n+1)-an=2n,则an/n的最小值 已知数列{an}满足a1=33,a（n+1）-an=2n,求an/n的最小值 已知数列{An}中a1=1.且A(n+1)=6n*2^n-An.求通项公试An 已知数列an满足a1=100,a(n+1)-an=2n,则(an)/n的最小值为 已知数列an满足a1=2,an=a(n-1)+2n,（n≥2）,求an 已知数列a1=2,[a(n+1)]=-2[a（n)]+3求an 已知数列{an}满足a1=1,3a(n+1)+an-7 已知数列{an}满足a1=2,a(n+1)-an=a(n+1）*an,则a31=? 已知数列{a}满足a1=1/2,a（n+1）=an+1/(n^2+n),求an已知数列{a}满足a1=1/2,a（n+1）=an+1/(n^2+n),求an .感激= 已知数列{an}中,a1=3,an=(2^n)*a(n-1) (n》2,n∈N*)求数列an通项公式 已知数列满足a1=1,an-a(n-1)=n-1,求其通项