若数列{an}满足a1=1,a(n+1)=an+2n,且n属于正整数,则a100=
若数列{an}满足a1=1,a(n+1)=an+2n,且n属于正整数,则a100=
数列{an}满足a1+2a2+2^2a3+.+2^n-1an=n/2(n属于正整数),
设数列{An}满足A1+3A2+3^2*A3+...+3^(n-1)*An=n/3,a属于正整数.
(1)若数列{an}满足:a1=1,an+1=2an+1(n属于正整数),则该数列的通项公式an=?
在数列{an}中,a1=1,a2=2,且A(n+1)-An=1+(-1)^n(n属于正整数),则S100=
已知数列an中,a1=5,且an=2a(n-1)+2^n-1(n大于等于2,n属于正整数)
已知数列{an}满足a1=1,且a(n+1)=1/3Sn(n属于正整数)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),
已知数列{an}满足a1=1,a2=2,a(n+2)=(an+a(n+1))/2,n属于正整数.求{an}的通项公式.
数列{an}满足a1=1/2,an+1=1/2-an(n属于正整数)
数列{an}满足a(n+1)=3an+n(n属于正整数),是否存在a1,使{an}成等差数列
在数列{an}中,a1=1,且对于任意正整数n,都有an+1=an+n,则a100= ___ .