搜索: a194685-编号:a194686
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194683英镑
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| 三角形数组:T(n,k)=[<r^n>+<r^k>],其中[]=地板,<>=分数部分,r=(1+sqrt(3))/2。 |
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+10 5
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0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0
(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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评论
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第n行和给出[0,1]中k的个数,其中<r^n>+<r^k>>1;看见A194684号.
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链接
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例子
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前十行:
0
1 1
0 1 1
0 1 1 0
1 1 1 1 1
0 1 1 0 1 0
1 1 1 1 1 1 1 1
0 0 0 0 0 0 1 0
0 1 1 1 1 1 1 0 1
0 1 1 1 1 1 1 0 1 1
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数学
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r=1/2+平方[3]/2;z=15;
p[x_]:=分数部分[x];f[x_]:=楼层[x];
w[n,k]:=p[r^n]+p[r^k]-p[r^n+r^k]
扁平[表[w[n,k],{n,1,z},{k,1,n}]]
表格形式[表格[w[n,k],{n,1,z},{k,1,n}]]
s[n]:=总和[w[n,k],{k,1,n}]
h[n,k_]:=f[p[n*r]+p[k*r]]
扁平[表[h[n,k],{n,1,z},{k,1,n}]]
表格形式[表格[h[n,k],{n,1,z},{k,1,n}]]
t[n]:=总和[h[n,k],{k,1,n}]
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交叉参考
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关键词
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作者
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状态
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经核准的
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0, 2, 0, 1, 4, 1, 4, 8, 3, 7, 0, 4, 10, 1, 6, 13, 3, 10, 18, 6, 15, 1, 9, 19, 3, 13, 24, 7, 18, 30, 11, 24, 3, 15, 29, 6, 20, 35, 11, 26, 0, 15, 32, 4, 20, 38, 9, 27, 46, 15, 34, 1, 20, 41, 6, 26, 48, 12, 34, 57, 19, 43, 3, 26, 51, 9, 34, 60, 17, 43, 70, 25, 53, 6, 33, 62
(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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1,2
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链接
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数学
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r=1/2+平方[3]/2;z=15;
p[x_]:=分数部分[x];f[x_]:=楼层[x];
w[n,k]:=p[r^n]+p[r^k]-p[r^n+r^k]
扁平[表[w[n,k],{n,1,z},{k,1,n}]]
表格形式[表格[w[n,k],{n,1,z},{k,1,n}]]
s[n]:=总和[w[n,k],{k,1,n}]
h[n,k_]:=f[p[n*r]+p[k*r]]
扁平[表[h[n,k],{n,1,z},{k,1,n}]]
表格形式[表格[h[n,k],{n,1,z},{k,1,n}]]
t[n]:=总和[h[n,k],{k,1,n}]
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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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A194684号
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| [1,n]中的k数,其中<r^n>+<r^k>>1,其中<>=小数部分,r=(1+sqrt(3))/2。 |
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+10 4
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0, 2, 2, 2, 5, 3, 7, 1, 7, 8, 11, 3, 11, 12, 12, 0, 15, 6, 16, 19, 7, 5, 21, 12, 23, 0, 15, 15, 7, 15, 21, 10, 23, 8, 0, 24, 26, 19, 10, 0, 28, 29, 21, 39, 0, 43, 47, 24, 46, 39, 11, 3, 37, 40, 3, 49, 26, 51, 41, 3, 52, 23, 16, 57, 4, 3, 43, 45, 27, 13, 26, 68, 50, 49, 37
(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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1,2
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链接
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数学
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r=1/2+平方[3]/2;z=15;
p[x_]:=分数部分[x];f[x_]:=楼层[x];
w[n,k]:=p[r^n]+p[r^k]-p[r^n+r^k]
扁平[表[w[n,k],{n,1,z},{k,1,n}]]
表格形式[表格[w[n,k],{n,1,z},{k,1,n}]]
s[n]:=总和[w[n,k],{k,1,n}]
h[n,k_]:=f[p[n*r]+p[k*r]]
扁平[表[h[n,k],{n,1,z},{k,1,n}]]
表格形式[表格[h[n,k],{n,1,z},{k,1,n}]]
t[n]:=总和[h[n,k],{k,1,n}]
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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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