序列问题
	文章来源: 海姑娘 于 2005-10-06 04:40:18

序列问题 文章来源: 乱弹 于 2005-09-13 20:02:21 Find all k>0 such that for all sequence {a(n)} satisfying a(n+2)=ka(n+1)-a(n) whenever n>0, we always have a(n+8)=a(n) for all n.