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A066765
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Numbers n such that phi(n) < n/5.
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1
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30030, 39270, 43890, 46410, 51870, 53130, 60060, 78540, 87780, 90090, 92820, 103740, 106260, 117810, 120120, 131670, 139230, 150150, 155610, 157080, 159390, 175560, 180180, 185640, 196350, 207480, 210210, 212520, 219450, 232050, 235620
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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LINKS
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Harry J. Smith, Table of n, a(n) for n = 1..1000
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PROG
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(PARI) for(n=1, 10^8, if(eulerphi(n)<n/5, print1(n, ", ")))
(PARI) { n=0; for (m=1, 10^10, if (eulerphi(m) < m/5, write("b066765.txt", n++, " ", m); if (n==1000, return)) ) } \\ Harry J. Smith, Mar 24 2010
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CROSSREFS
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Sequence in context: A184502 A285655 A074969 * A067885 A285615 A336671
Adjacent sequences: A066762 A066763 A066764 * A066766 A066767 A066768
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KEYWORD
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easy,nonn
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AUTHOR
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Jason Earls, Jan 17 2002
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STATUS
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approved
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