%I A046272
%S A046272 0,0,3,2,29,7,5,7993,67961,769,604661,2797,78233,1306069,783641,
%T A046272 7018498457,2821109,692665944473,66841,609359,4400629,21936950640377,
%U A046272 16217038422671,3022305360281,73838133832161689,992970137,170581728179
%N A046272 Largest prime substring in 6^n (0 if none).
%Y A046272 Cf. A046264.
%Y A046272 Sequence in context: A059422 A102056 A065353 this_sequence A054676 A154332 
               A136635
%Y A046272 Adjacent sequences: A046269 A046270 A046271 this_sequence A046273 A046274 
               A046275
%K A046272 nonn
%O A046272 0,3
%A A046272 Patrick De Geest (pdg(AT)worldofnumbers.com), Jun 15 1998.