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2, 4, 4, 4, 5, 7, 5, 8, 8, 2, 10, 8, 12, 11, 13, 6, 13, 6, 6, 9, 8, 11, 4, 8, 16, 5, 6, 7, 13, 12, 7, 10, 19, 15, 16, 17, 9, 6, 15, 10, 3, 11, 8, 18, 28, 14, 14, 10, 30, 28, 15, 4, 20, 33, 13, 12, 6, 22, 18, 21, 12, 11, 29, 12, 11, 8, 24, 18, 8, 14, 17, 32, 33
(列表;图表;参考;听;历史;文本;内部格式)
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抵消
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3,1
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评论
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b(n)=T(s(n-1),a(n))。
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链接
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例子
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a(4)=4,因为b(4)=4是A162306型, {1, 2, 3, [4], 6}.
a(5)=4,因为b(5)=5是T(s(n-1),4)=T(10,4),{1,2,4,[5],8,10}。
a(6)=4,因为b(6)=9是T(s(n-1),4)=T(15,4),{1,3,5,[9],15}。
a(7)=5,因为b(7)=6是T(s(n-1),5)=T(24,5),{1,2,3,4,[6],8,9,12,16,18,24}等。
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3 3 3 2 2 {1, [3]}
4 4 6 4 5 {1, 2, 3, [4], 6}
5 5 10 4 6 {1, 2, 4, [5], 8, 10}
6 9 15 4 5 {1, 3, 5, [9], 15}
7 6 24 5 11 {1, 2, 3, 4, [6], ..., 24}
8 8 30 7 18 {1, 2, 3, 4, 5, 6, [8], ..., 30}
9 16 38 5 8 {1, 2, 4, 8, [16], 19, 32, 38}
10 12 54 8 16 {1, 2, 3, 4, 6, 8, 9, [12], ..., 54}
11 11 66 8 22 {1, 2, 3, 4, 6, 8, 9, [11], ..., 66}
12 7 77 2 5 {1, [7], 11, 49, 77}
13 14 84 10 28 {1, 2, 3, 4, ..., 12, [14], ..., 84}
14 28 98 8 13 {1, 2, 4, 7, ..., 16, [28], ..., 98}
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数学
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nn=75;c[_]:=错误;
rad[x_]:=rad[x]=倍@FactorInteger[x][[All,1]];
f[x_]:=选择[Range[x],Divisible[x,rad[#]]&];
数组[Set[{a[#],c[#]},{#,True}]&,2];s=a[1]+a[2];
收割[Do[r=f[s];k=选择第一项[r,!c[#]&];
母猪[FirstPosition[r,k][[1]];c[k]=正确;
s+=k,{i,3,nn}][[-1,1]]
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交叉参考
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关键词
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非n
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作者
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状态
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经核准的
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