an+1 ,n+1是下表 ,an+1=an^3 a1=2 ,求an

数列｛an},a1=1,an+1=2an-n^2+3n,求｛an｝. 数列｛an｝满足a1=1,且an=an-1+3n-2,求an a1=1/2,an+1=an/an+2,求n/an的sn 数列{an}中,a1=35,an+1-an=2n-1,求an 已知数列{an}满足an+1=2an+3.5^n,a1=6.求an 数列{an}满足a1=1,an=3n+2an-1(n≥2)求an a(n+1)=2an/3an+4,a1=1/4,求an 在数列an中,a1=2 an+1=an+3n则an= 数列an满足an+1-an=3*2^2n-1 a1=2 求an通项 已知数列{an}中,a1=1,an=2an-1+3的n次方,求an 在数列{an}中,a1=1,an+1=2an+3~n,求an.为次方） 已知数列（an）满足an+1=2an+3×2∧n,a1=2求an