Erdős–Straus猜想
猜想。 ( 埃尔德斯·帕尔 , 恩斯特·斯特劳斯 ) 方程式 [1]
总是有任何整数的解 .
目录
素数猜想的真理
2猜想的真理
素数与3(mod 4)同余猜想的真值
素数与1(mod 4)同余猜想的真值
开放单位区间单位分数的Erdõs–Straus猜想
Erdős–开单位区间素数单位分数的Straus猜想
4/n=1/a+1/b+1/c的溶液(a,b,c)
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4/n的溶液数(a,b,c)=1/a+1/b+1/c
{0, 3, 12, 16, 12, 45, 36, 58, 36, 75, 48, 136, 24, 105, 240, 190, 24, 159, 66, 250, 186, 153, 132, 364, 78, 129, 180, 292, 42, 531, 114, 490, 198, 159, 426, 526, 60, 201, 450, ...}
{0, 1, 3, 3, 2, 8, 7, 10, 6, 12, 9, 21, 4, 17, 39, 28, 4, 26, 11, 36, 29, 25, 21, 57, 10, 20, 29, 42, 7, 81, 19, 70, 31, 25, 65, 79, 9, 32, 73, 96, 7, 86, 14, 62, 93, 42, 34, ...}
{0, 1, 1, 2, 5, 5, 6, 4, 9, 7, 15, 4, 14, 33, 22, 4, 21, 9, 30, 25, 22, 19, 45, 10, 17, 25, 36, 7, 72, 17, 62, 27, 22, 59, 69, 9, 29, 67, 84, 7, 77, 12, 56, 87, 39, 32, 142, ...}
{0, 1, ...}
4/p=1/a+1/b+1/c的溶液(a,b,c)
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4/p的溶液(a,b,c)数量=1/a+1/b+1/c
{3, 12, 12, 36, 48, 24, 24, 66, 132, 42, 114, 60, 48, 84, 216, 90, 168, 72, 108, 246, 42, 228, 162, 66, 48, 102, 156, 150, 96, 84, 198, 192, 108, 222, 114, 192, 144, 144, ...}
{1, 3, 2, 7, 9, 4, 4, 12, 23, 7, 20, 10, 8, 15, 37, 15, 29, 12, 19, 42, 7, 39, 28, 11, 8, 17, 27, 26, 16, 14, 34, 33, 18, 38, 19, 33, 24, 25, 68, 27, 52, 18, 69, 6, 25, 43, 32, ...}
{0, 1, 2, 5, 7, 4, 4, 9, 19, 7, 17, 9, 12, 32, ...}
{0, 1, ...}
笔记
外部链接
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埃里克·魏斯坦(Eric W.Weisstein)。 , 调和平均值 ,摘自MathWorld-A Wolfram Web资源。