Search: id:A097660
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%I A097660
%S A097660 0,2,4,6,8,10,10,10,12,10,12,8,8,6,18,14,10,10,8,5,12,14,9,7,10,18,14,
%T A097660 13,15,13,15,10,14,12,17,16,17,15,13,21,24,15,9,16,12,22,20,21,20,16,19,
%U A097660 16,21,20,25,20,20,21,26,19,20,19,22,19,17,23,28,24,22,20,27,26,25
%N A097660 Number of zeros in decimal representation of 1001^n.
%C A097660 a(n) = A055641(A097659(n)).
%e A097660 a(2)=4, as A097659(1)=1001^2=1002001 contains four zeros.
%Y A097660 Sequence in context: A061243 A079431 A081472 this_sequence A154809 A153170 
               A067030
%Y A097660 Adjacent sequences: A097657 A097658 A097659 this_sequence A097661 A097662 
               A097663
%K A097660 nonn,base
%O A097660 0,2
%A A097660 Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Aug 18 2004

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