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A072075
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Smallest solution to EulerPhi[x]=10^n.
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3
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1, 11, 101, 1111, 10291, 100651, 1004251, 10165751, 100064101, 1000078501, 10000222501, 100062501601, 1000062516001, 10000062660001, 100002441447211, 1003922328562757, 10000390625025601, 100000002482366251, 1000000002851006251, 10000062500000160001
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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LINKS
| Ray Chandler, Table of n, a(n) for n = 0..1000
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FORMULA
| a(n)=Min{x; A000010[x]=10^n}
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EXAMPLE
| n=3: a(3)=1111 because InvPhi[1000]= {1111,1255,1375,1875,2008,2222,2500,2510,2750,3012,3750}.
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CROSSREFS
| Cf. A000010, A014573, A014197, A110077, A072074, A072076.
Sequence in context: A073030 A203304 A097649 * A088292 A135563 A052075
Adjacent sequences: A072072 A072073 A072074 * A072076 A072077 A072078
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KEYWORD
| nonn,changed
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AUTHOR
| Labos E. (labos(AT)ana.sote.hu), Jun 13 2002
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EXTENSIONS
| More terms from Max Alekseyev (maxale(AT)gmail.com), Apr 26 2010
a(18)-a(19) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Feb 02 2012
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