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1, 0, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 2, 2, 1, 0, 0, 3, 5, 3, 1, 1, 0, 3, 10, 9, 4, 1, 0, 1, 3, 17, 24, 14, 5, 1, 0, 1, 3, 28, 57, 44, 20, 6, 1, 0, 0, 5, 41, 128, 128, 71, 27, 7, 1, 0, 1, 4, 60, 271, 354, 234, 106, 35, 8, 1, 0, 0, 5, 81, 549, 937, 738, 384, 150, 44, 9, 1, 0, 0, 5, 106, 1061
(列表;桌子;图表;参考;听;历史;文本;内部格式)
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抵消
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0,13
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链接
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例子
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如果我们取第五个这样的子置换,即子序列A069767美元[23..64]: [45,46,48,49,50,54,55,57,58,59,61,62,63,64,44,47,53,56,60,43,52,40,31,32,41,34,35,36,42,51,39,30,33,38,29,26,27,37,28,25,24,23],从每个项中减去22,并将[1..42]的结果置换转换为不相交循环符号,我们得到:
(17,31),(20,21,30,29),(3,26,12,40),(6,32,8,35,7,33,11,39),(15,22,18,34,16,25,19,38),(1,23,9,36,4,27,13,41,2,24,10,37,5,28,14,42)
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MAPLE公司
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A074079bi:=(n,k)->A073346bi(n,k)/(2^k);
A002262号:=n->n-二项式(楼层((1/2)+sqrt(2*(1+n))),2);
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交叉参考
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关键字
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作者
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状态
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经核准的
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