已知数列{An}满足A(n+1)=An +n,且A61=200+,则A1=?
已知数列{an}满足a(n+1)=an+3n+2,且a1=2,求an=?
已知数列an满足a(n+1)=an+3n+2,且a1=2,求an
已知数列{an}满足a1=100,an+1-an=2n,则a
已知数列{an}满足条件a1=3,且a( n+1)-an=(20)^n+n,求通项公式
已知数列an满足an=1+2+...+n,且1/a1+1/a2+...+1/an
已知数列{an}满足a1=3,且a(n+1)-3an=3的n次方(n属于N*).数列{bn}满足
已知数列an中满足a1=1且当n.=2时,2an*a*(n-1)+an-a(n-1)=0,求通项公式an
已知数列{an}满足an+1=an+n,a1等于1,则an=?
已知数列{an}满足a1=312,且3an+1=an(n∈N*,n≥1)
已知数列{an}满足:a1=1,且an-a(n-1)=2n.求a2,a3,a4.求数列{an}通项an
已知数列{an} 满足a1=1/5,且当n>1,n∈N+时,
已知数列{an}满足,a1=2,a(n+1)=3根号an,求通项an