%I A108324
%S A108324 841,1521,2601,2809,4489,7225,7569
%N A108324 "Binary prime squares": perfect squares whose binary representation considered 
               as decimal ones are primes.
%C A108324 Similar to A108323 but in base 10.
%e A108324 a(2)=1521 because 1521 in base 2 is 10111110001 and the decimal number 
               10111110001 is prime.
%Y A108324 Sequence in context: A091038 A121498 A159690 this_sequence A133496 A121499 
               A049530
%Y A108324 Adjacent sequences: A108321 A108322 A108323 this_sequence A108325 A108326 
               A108327
%K A108324 easy,nonn
%O A108324 1,1
%A A108324 Alexandre Wajnberg (alexandre.wajnberg(AT)ulb.ac.be), Jun 30 2005