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1, 1, 1, 2, 2, 2, 1, 3, 1, 4, 2, 3, 2, 4, 1, 5, 3, 3, 1, 6, 2, 5, 1, 7, 3, 4, 1, 8, 2, 6, 1, 9, 4, 4, 2, 7, 3, 5, 2, 8, 1, 10, 1, 11, 3, 6, 2, 9, 1, 12, 4, 5, 1, 13, 3, 7, 1, 14, 2, 10, 4, 6, 2, 11, 1, 15, 3, 8, 1, 16, 2, 12, 3, 9, 1, 17, 4, 7, 5, 5, 1, 18, 2
(列表;图表;参考;听;历史;文本;内部格式)
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偏移
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1,4
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评论
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半素数是任意两个素数的乘积。n的素数指数是一个数字m，使得第m个素数除以n。n的多素数指数集是112798英镑.
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链接
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例子
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半素数序列及其素数指数开始于：
4:｛1，1｝46:｛1，9｝91:｛4，6｝141:｛2，15｝
6: {1,2} 49: {4,4} 93: {2,11} 142: {1,20}
9: {2,2} 51: {2,7} 94: {1,15} 143: {5,6}
10: {1,3} 55: {3,5} 95: {3,8} 145: {3,10}
14: {1,4} 57: {2,8} 106: {1,16} 146: {1,21}
15: {2,3} 58: {1,10} 111: {2,12} 155: {3,11}
21: {2,4} 62: {1,11} 115: {3,9} 158: {1,22}
22: {1,5} 65: {3,6} 118: {1,17} 159: {2,16}
25: {3,3} 69: {2,9} 119: {4,7} 161: {4,9}
26:｛1,6｝74:｛1,12｝121:｛5,5｝166:｛1,23｝
33: {2,5} 77: {4,5} 122: {1,18} 169: {6,6}
34: {1,7} 82: {1,13} 123: {2,13} 177: {2,17}
35: {3,4} 85: {3,7} 129: {2,14} 178: {1,24}
38: {1,8} 86: {1,14} 133: {4,8} 183: {2,18}
39: {2,6} 87: {2,10} 134: {1,19} 185: {3,12}
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数学
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素数MS[n_]：=如果[n==1，{}，扁平[Cases[FactorInteger[n]，{p_，k_}:>表[PrimePi[p]，{k}]]]；
加入@@primeMS/@Select[Range[100]，PrimeOmega[#]==2&]
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交叉参考
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关键词
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非n，标签
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作者
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状态
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已批准
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