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Search: id:A082060
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| A082060 |
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Numbers n such that n and phi[n] have the same decimal digits. |
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+0
3
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| 1, 21, 63, 101, 233, 291, 502, 677, 1021, 1031, 1051, 1061, 1091, 1201, 1226, 1301, 1601, 1801, 1901, 2011, 2201, 2333, 2383, 2393, 2518, 2633, 2677, 2700, 2767, 2817, 2833, 2991, 3011, 3023, 3122, 3203, 3253, 3323, 3623, 3677, 3767, 3823, 3923, 3989
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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Contains A113721 as a subsequence. - M. F. Hasler (Maximilian.Hasler(AT)gmail.com), Nov 28 2007
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EXAMPLE
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n=502 is a member since phi[502]=250
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PROGRAM
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(PARI) for(n=1, 10^4, if(Set(Vec(Str(n)))==Set(Vec(Str(eulerphi(n)))), print1(n", "))) - M. F. Hasler (Maximilian.Hasler(AT)gmail.com), Nov 28 2007
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CROSSREFS
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Cf. A000005, A000010, A082059.
Cf. A115921, A113781, A113622, A069215, A072395, A113781.
Adjacent sequences: A082057 A082058 A082059 this_sequence A082061 A082062 A082063
Sequence in context: A081302 A058100 A143203 this_sequence A025525 A033850 A113622
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KEYWORD
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base,nonn
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AUTHOR
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Labos E. (labos(AT)ana.sote.hu), Apr 04 2003
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