数列{an},a1=1/2,a(n+1)=3an/(an)+3,
数列{an},a1=1,an+1=2an-n^2+3n,求{an}.
数列{an},a1=1/2,a(n+1)=3an/(an)+3,
已知数列{an}满足,a1=2,a(n+1)=3根号an,求通项an
数列{an}满足a1=1,且an=an-1+3n-2,求an
在数列an中,a1=2 an+1=an+3n则an=
数列{an},a1=1,a(n+1)=2an-n^2+3n
19.一直数列An,A1=m,A(n+1)=2An+3^(n+1).
数列A(n+1)=2An+2n-3,A1=2,求An
设数列{an},a1=3,a(n+1)=3an -2 (1)求证:数列{an-1}为等比数列
数列{An},A1=1,A(n+1)=3An+4.求An和Sn.
设数列{an},a1=3,an+1=3an-2(n∈N*)
已知数列{an}满足a1=1,2a(n+1)an+3a(n+1)+an+2=0.