字典翻译 问答 其它 已知数列{an}满足a0=1,an=n−1i=0ai(n≥1),则当n≥1时,an=()A.2nB.n(n+1)2C.2n-1D.n(n−1)2
问题标题:
已知数列{an}满足a0=1,an=n−1i=0ai(n≥1),则当n≥1时,an=()A.2nB.n(n+1)2C.2n-1D.n(n−1)2
问题描述:

已知数列{an}满足a0=1,an=n−1i=0ai(n≥1),则当n≥1时,an=()

A.2n

B.n(n+1)2

C.2n-1

D.n(n−1)2

陈传峰回答:
  ∵数列{an}满足a0=1,an=n−1i=0a
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