Search: id:A117296
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%I A117296
%S A117296 1,2,3,4,5,6,7,8,9,10,12,14,15,16,18,20,23,24,30,46,67,69,89,92,115,134,
%T A117296 138,178,184,223,230,233,263,276,283,289,293,295,301,321,381,387,411,
%U A117296 428,441,446,466,472,508,526,535,548,566,578,586,590
%N A117296 Numbers n for which phi(n) is a palindrome.
%e A117296 69 is in the sequence because phi(69)=44 which is a palindrome.
%t A117296 Select[Range[600],FromDigits[Reverse[IntegerDigits[EulerPhi[ # ]]]]==EulerPhi[ 
               # ] &] - Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), 
               Apr 24 2006
%Y A117296 Cf. A002113.
%Y A117296 Sequence in context: A063938 A002473 A161466 this_sequence A096503 A055238 
               A100952
%Y A117296 Adjacent sequences: A117293 A117294 A117295 this_sequence A117297 A117298 
               A117299
%K A117296 base,nonn
%O A117296 1,2
%A A117296 Luc Stevens (lms022(AT)yahoo.com), Apr 23 2006
%E A117296 Corrected and extended by Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), 
               Apr 24 2006

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