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%I
%S 1320,1640,1768,1996,2640,3960,13200,16400,19984,19996,26400,39600,
%T 132000,164000,199996,264000,396000,1320000,1640000,1999936,2640000,
%U 3960000,13200000,16400000,16666240,17999488,18515584,19999984,19999996
%N phi(n) is a substring of n.
%e phi(1320)=320, phi(1640)=640, phi(1768)=768, phi(1996)=996, phi(2640)=640,..., phi(199999999984)=99999999984.
%Y Cf. A000010, A036433.
%K nonn,base
%O 1,1
%A _Vladeta Jovovic_, Jan 11 2002
%E Offset corrected and a(19)-a(29) from _Donovan Johnson_, May 08 2010
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