已知数列
:
,如果数列
:
满足
,
,其中
,则称
为
的“衍生数列”.若数列
:
的“衍生数列”是5,-2,7,2,则
为________ ;若
为偶数,且
的“衍生数列”是
,则
的“衍生数列”是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
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13-14高三·全国·课后作业 查看更多[2]
(已下线)2015高考数学(理)一轮考前特训:创新问题专项训练1(已下线)4.4 数学归纳法(五大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020选择性必修第一册)
更新时间:2016-12-03 02:59:21
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【推荐2】斐波那契数列,又称“兔子数列”,由数学家斐波那契研究兔子繁殖问题时引入.已知斐波那契数列
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【推荐1】利用数学归纳法证明“
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【推荐1】在数列
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【推荐2】学者森德拉姆(Sundaram)发现了一个有意思的素数筛法矩阵,这个矩阵后来在素数研究领域获得广泛应用.我们用
(
)表示矩阵中第i行第j列处的分量,这些分量之间满足如下递推关系:
,
,
,数表局部如下:
关于森德拉姆(Sundaram)素数筛法矩阵,有下列说法
①
; ②
;
③
; ④存在i,
使得
.
其中,所有正确说法的序号是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4ba1bbe411bc71bca016d3fd82352f9.png)
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4 | 7 | 10 | 13 | 16 | 19 | … |
7 | 12 | 17 | 22 | 27 | 32 | … |
10 | 17 | 24 | 31 | 38 | 45 | … |
13 | 22 | 31 | 40 | 49 | 58 | … |
16 | 27 | 38 | 49 | 60 | 71 | … |
19 | 32 | 45 | 58 | 71 | 84 | … |
… | … | … | …… | … | … | … |
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e10512e15a48cb2b27cc60a90086f94b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01804f36afe15f0327cc8ae450b6294e.png)
③
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其中,所有正确说法的序号是
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