本帖最后由 luyuanhong 于 2019-11-15 12:37 编辑
有这样一串数:a(1)0,a(2)=1,a(3)=1,a(4)=0,a(5)=2
a(n)=0, 1, 1, 0, 2, 1, 1, 2, 0, 3, 1, 2, 2, 1, 3, 0, 4, 1, 3, 2, 2, 3, 1, 4, 0,
5, 1, 4, 2, 3, 3, 2, 4, 1, 5, 0, 6, 1, 5, 2, 4, 3, 3, 4, 2, 5, 1, 6, 0, 7,
1, 6, 2, 5, 3, 4, 4, 3, 5, 2, 6, 1, 7, 0, 8, 1, 7, 2, 6, 3, 5, 4, 4, 5, 3,
6, 2, 7, 1, 8, 0, 9, 1, 8, 2, 7, 3, 6, 4, 5, 5, 4, 6, 3, 7, 2, 8, 1, 9, 0,.........
请你猜一猜:
3, 5 的后面一项是第几项?
9, 6 的后面一项是第几项?
13, 15 的前面一项是第几项?
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