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Search: id:A072075
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| A072075 |
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Smallest solution to EulerPhi[x]=10^n. |
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+0
1
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| 11, 101, 1111, 10291, 113201, 1004251, 10165751, 100064101, 1000078501, 10000222501
(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)=Min{x; A000010[x]=10^n}
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EXAMPLE
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n=3: a(3)=1111 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: A006943 A073030 A097649 this_sequence A088292 A135563 A052075
Adjacent sequences: A072072 A072073 A072074 this_sequence A072076 A072077 A072078
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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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