Search: id:A089161
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%I A089161
%S A089161 0,3,4,6,7,11,20,27,28,42,47,49,53,55,56,59,62,66,67,69,74,75,88,89,105,
%T A089161 108,115,117,118,125,130,137,138,140,144,150,151,154,159,165,180,182,
%U A089161 188,195,206,227,231,237,243,248,249,251,258,262,269,279,284,286,287
%N A089161 Numbers n such that 30*n+17 and 30*n+19 are twin primes.
%e A089161 30*3+17=107, 30*3+19=109, 107,109 twin primes
%p A089161 a:=proc(n) if isprime(30*n+17)=true and isprime(30*n+19)=true then n 
               else fi end: seq(a(n),n=0..400); (Deutsch)
%Y A089161 Sequence in context: A085253 A073906 A108797 this_sequence A060965 A153883 
               A033162
%Y A089161 Adjacent sequences: A089158 A089159 A089160 this_sequence A089162 A089163 
               A089164
%K A089161 base,easy,nonn
%O A089161 1,2
%A A089161 Pierre CAMI (colettecami(AT)aol.com), Dec 06 2003
%E A089161 More terms from Emeric Deutsch (deutsch(AT)duke.poly.edu), Jun 13 2005

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