Search: id:A089971
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%I A089971
%S A089971 11,101,10111,101111,1011001,1100101,10010101,10011101,10100011,
%T A089971 10101101,10110011,11000111,11100101,100111001,101001011,101101111,
%U A089971 101111011,101111111,110111011,111001001,1000001011,1001001011
%N A089971 Decimal primes whose decimal representation in base 2 is also prime.
%e A089971 3 is prime in decimal and 3 base 2 is 11 which is also prime in decimal.
%Y A089971 Sequence in context: A080439 A098153 A020449 this_sequence A082620 A156668 
               A103992
%Y A089971 Adjacent sequences: A089968 A089969 A089970 this_sequence A089972 A089973 
               A089974
%K A089971 base,nonn
%O A089971 2,1
%A A089971 Cino Hilliard (hillcino368(AT)gmail.com), Jan 18 2004

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