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| 329631英镑 |
| 行读取的不规则三角形，其中第n行列出了第n个无平方数的素数索引。 |
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11
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1, 2, 3, 1, 2, 4, 1, 3, 5, 6, 1, 4, 2, 3, 7, 8, 2, 4, 1, 5, 9, 1, 6, 10, 1, 2, 3, 11, 2, 5, 1, 7, 3, 4, 12, 1, 8, 2, 6, 13, 1, 2, 4, 14, 1, 9, 15, 2, 7, 16, 3, 5, 2, 8, 1, 10, 17, 18, 1, 11, 3, 6, 1, 2, 5, 19, 2, 9, 1, 3, 4, 20, 21, 1, 12, 4, 5, 1, 2, 6
(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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评论
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n的素数指数是一个数m，使得素数（m）除以n。n的多素数指数集是A112798号.
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链接
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例子
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三角形开始：
1: {} 33: {2,5} 66: {1,2,5} 97: {25}
2: {1} 34: {1,7} 67: {19} 101: {26}
3: {2} 35: {3,4} 69: {2,9} 102: {1,2,7}
5:｛3｝37:｛12｝70:｛1，3，4｝103:｛27｝
6: {1,2} 38: {1,8} 71: {20} 105: {2,3,4}
7: {4} 39: {2,6} 73: {21} 106: {1,16}
10: {1,3} 41: {13} 74: {1,12} 107: {28}
11: {5} 42: {1,2,4} 77: {4,5} 109: {29}
13: {6} 43: {14} 78: {1,2,6} 110: {1,3,5}
14: {1,4} 46: {1,9} 79: {22} 111: {2,12}
15: {2,3} 47: {15} 82: {1,13} 113: {30}
17: {7} 51: {2,7} 83: {23} 114: {1,2,8}
19: {8} 53: {16} 85: {3,7} 115: {3,9}
21: {2,4} 55: {3,5} 86: {1,14} 118: {1,17}
22: {1,5} 57: {2,8} 87: {2,10} 119: {4,7}
23: {9} 58: {1,10} 89: {24} 122: {1,18}
26: {1,6} 59: {17} 91: {4,6} 123: {2,13}
29: {10} 61: {18} 93: {2,11} 127: {31}
30: {1,2,3} 62: {1,11} 94: {1,15} 129: {2,14}
31: {11} 65: {3,6} 95: {3,8} 130: {1,3,6}
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数学
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表[PrimePi/@First/@如果[k==1，{}，FactorInteger[k]]，{k，选择[Range[30]，SquareFreeQ]}]
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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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经核准的
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