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A131801
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Increment each prime factor for each term of the least prime sequence A087443.
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2
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1, 3, 9, 15, 27, 45, 105, 81, 135, 225, 315, 1155, 243, 405, 675, 945, 1575, 3465, 15015, 729, 1215, 2025, 3375, 2835, 4725, 10395, 11025, 17325, 45045, 255255, 2187, 3645, 6075, 10125, 8505, 14175, 23625, 31185, 33075, 51975, 121275, 135135, 225225
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,2
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LINKS
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FORMULA
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EXAMPLE
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The term 30 = 2*3*5
becomes 105 = 3*5*7
1
2
4...6
8...12...30
16
etc
so a(n) begins
1
3
9...15
27..45..105
81
etc
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CROSSREFS
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KEYWORD
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easy,tabf,nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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