%I A037218
%S A037218 45,3,18,36,9,1584,193359,405504,309375,7734375,1584,25952256,12672,
%T A037218 103809024,12976128
%N A037218 Smallest natural number k such that periodic part of 1/k is the prime 
               p(n), or 0 if no such k exists.
%D A037218 Extracted from A037207.
%e A037218 Example: 1/1584 = 0.00063131313...; prime p(6)=13; a(6)=1584.
%Y A037218 Sequence in context: A119058 A131994 A037940 this_sequence A070818 A129536 
               A108909
%Y A037218 Adjacent sequences: A037215 A037216 A037217 this_sequence A037219 A037220 
               A037221
%K A037218 base,easy,nonn
%O A037218 1,1
%A A037218 Jean-Marc Rebert (jm.rebert(AT)rmcnet.fr)
%E A037218 I believe a(p)=0 will eventually occur [ N. J. A. Sloane (njas(AT)research.att.com) 
               ].