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A147550
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Smallest n-digit number m such that phi(m) is minimal.
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1
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1, 10, 102, 1050, 10080, 101010, 1021020, 10210200, 100150050, 1009788780, 10039179150, 100614884370, 1002802450650, 10028024506500, 100093293239940
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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COMMENTS
| For all n, A147551(n) = phi(a(n)).
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EXAMPLE
| phi(10)=4 and there is no 2-digit number t such that phi(t)<4 so a(2)=10.
phi(102)=32 and there is no 3-digit number t such that phi(t)<32 also phi(100) and phi(101) are greater than 32, so a(3)=102.
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CROSSREFS
| Cf. A147551.
Sequence in context: A158242 A147636 A191014 * A162666 A061630 A062806
Adjacent sequences: A147547 A147548 A147549 * A147551 A147552 A147553
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KEYWORD
| base,more,nonn,changed
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AUTHOR
| Farideh Firoozbakht (mymontain(AT)yahoo.com), Nov 22 2008
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EXTENSIONS
| a(11)-a(15) from Max Alekseyev (maxale(AT)gmail.com), Feb 02 2012
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