已知数列an满足:a4n-3=1,a4n-1=0,a2n=an,nÎN+,则a2014= ,a2009=
已知数列{an}满足:a4n-3=1,a4n-1=0,a2n=an,n∈N*,则a2009+a2014=______.
已知数列an,a1=1,a2n=an,a4n-1=0,a..
已知数列{an}中,a1=1,a2=2,an+1=2an+an-1(n∈N*),用数学归纳法证明a4n能被4整除,假设a
一道数学数列题已知数列{an}的首项a1=1/3,且满足1/a(n+1)=1/an+5,则a2009=
已知数列{an}满足a1=6,a2=8,an+1+an-1=an(n≥2),则a2009=
数列an满足a1=3/2,a(n+1)=an^2-an+1则m=1/a1+1/a2````1/a2009整数部分是
数列{an}满足a1>1,a(n+1)=an^2-an+1,且1/a1+1/a2+...1/a2013=2,则a2014
1 在数列an中,已知 a1=1,a2=5,an+2=a(n+1)-an (n∈N)则a2009是多少
已知数列满足:a1=1,a(n+1)=an+1,n为奇数;2an,n为偶数,设bn=a2n-1,
已知数列an中,a1=1,a2n=n-an,a2n+1=an+1则a1+a2+a3…+a100=
已知数列{an}满足a1=1,an+1=[1/2an+n.n为奇数.an-2n,n为偶数]且bn=a2n-2,n∈N+
已知数列{an}中,a1=3,a2=6,a(n+2)=a(n-1)-an,则a2009=