%I A086109
%S A086109 4,12,19,21,24,41,43,74,92,98,110,112,114,119,121,122,126,128,129,136,
%T A086109 137,147,152,155,157,245,248,264,267,272,282,304,318,322,343,348,349,
%U A086109 372,378,394,397,412,434,474,502,505,513,520,528,534,535,536,551,553
%N A086109 Numbers n such that p=prime(n) is substring of 2^p-1.
%C A086109 p=prime such that p is substring of 2^p-1 in A086110.
%e A086109 a(2)=12 because prime(12)=37 is substring of 2^37-1=137438953471.
%Y A086109 Cf. A086110.
%Y A086109 Sequence in context: A008237 A008120 A166162 this_sequence A139388 A008177 
               A009557
%Y A086109 Adjacent sequences: A086106 A086107 A086108 this_sequence A086110 A086111 
               A086112
%K A086109 easy,nonn,base
%O A086109 1,1
%A A086109 Zak Seidov (zakseidov(AT)yahoo.com), Jul 10 2003