Search: id:A052423
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%I A052423
%S A052423 1,2,3,4,5,6,7,8,9,1,1,1,1,1,1,1,1,1,1,2,1,2,1,2,1,2,1,2,1,3,1,1,3,1,1,
%T A052423 3,1,1,3,4,1,2,1,4,1,2,1,4,1,5,1,1,1,1,5,1,1,1,1,6,1,2,3,2,1,6,1,2,3,7,
%U A052423 1,1,1,1,1,1,7,1,1,8,1,2,1,4,1,2,1,8,1,9,1,1,3,1,1,3,1,1,9,1,1,1
%N A052423 Highest common factor of nonzero digits of n.
%e A052423 a(46)=2 because highest common factor of 4 and 6 is 2
%Y A052423 Cf. A007954.
%Y A052423 Sequence in context: A040997 A075877 A133500 this_sequence A126616 A121042 
               A000030
%Y A052423 Adjacent sequences: A052420 A052421 A052422 this_sequence A052424 A052425 
               A052426
%K A052423 base,easy,nonn
%O A052423 1,2
%A A052423 Henry Bottomley (se16(AT)btinternet.com), Mar 17 2000

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