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Search: id:A072076
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| A072076 |
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Largest solution to EulerPhi[x]=10^n. |
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+0 1
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| 22, 250, 3750, 41250, 414150, 4166250, 42281250, 438281250, 4400343750, 44266406250
(list; graph; listen)
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OFFSET
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1,1
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FORMULA
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a(n)=Max{x; A000010[x]=10^n}
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EXAMPLE
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n=3: a(3)=3750 because InvPhi[1000]= {1111,1255,1375,1875,2008,2222,2500,2510,2750,3012,3750}.
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CROSSREFS
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Cf. A000010, A014573, A014197.
Sequence in context: A041930 A125410 A109251 this_sequence A161521 A161900 A162364
Adjacent sequences: A072073 A072074 A072075 this_sequence A072077 A072078 A072079
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KEYWORD
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more,nonn
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AUTHOR
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Labos E. (labos(AT)ana.sote.hu), Jun 13 2002
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