满足an＋1=an＋3n＋2,且a1=2,求an

满足an＋1=an＋3n＋2,且a1=2,求an 数列｛an｝满足a1=1,且an=an-1+3n-2,求an 已知数列{an}满足an＋1＝an＋3n＋2,且a1＝2,求an. 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a(n+1)=an+3n+2,且a1=2,求an=? 已知等差数列{an}满足a(n+1)=an+3n+2,且a1=2,求an.雪地跪拜! 已知数列an满足a(n+1)=an+3n+2,且a1=2,求an 在数列an中,a1=1,且满足a（n+1）=3an +2n,求an 已知数列an满足an+1=2an＋3n∧2＋4n＋5,a1=1.求an通项公式 . 已知{an}满足a1=1.an=3*n+2An-1,求an 已知数列an满足an+1/an=n+2/n且a1=1,则an= 数列{An}满足a1=1/2,a1+a2+..+an=n方an,求an 已知数列{an}满足3a(n+1)=2an-4,且a1=1/5,求an 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}满足条件a1=3,且a( n+1)-an=(2)^n+n,求通项公式 已知数列{an}满足a1＝1,an=a1＋1/2a2＋1/3a3+…＋1/(n－1)an 数列an满足a1=1/3,Sn=n(2n-1)an,求an 等比数列{an}满足:a1=1/2,且an-an-1=1/2的n次方,求an 数列{an}满足a1=1 an+1=2n+1an/an+2n