a1=1,a(n+1)=(1/2)*an+1/(2^n)
已知数列{an}满足a1=33,a(n+1)-an=2n,求an/n的最小值
若数列{an},a1=2/3,且a(n+1)=an+1/【(n+2)(n+1)】,(n∈N+)则通项an=?
数列{an},a1=1,a(n+1)=2an-n^2+3n
A1=1,A(n+1)/An=(n+2)/n,求An?
数列证明,求通项公式已知数列{an}中,a1=1/3,an*a(n-1)=a(n-1)-an(n>=2,n属于正整数),
已知A1=1,An=2An-1+n(n>1),求An.
设数列{an},a1=3,an+1=3an-2(n∈N*)
设数列{an},a1=2,a(n+1)=an+In·(1+1/n),求an
已知数列{an}中a1=6,且an-an-1=(an-1/n)+n+1(n属于N*,n≥2),求an
在数列an中,a1=1,且满足a(n+1)=3an +2n,求an
已知数列an,a1=2,且a(n+1)=2an+3n,求an
a1=1,a(n+1)=(1/2)*an+1/(2^n)