%I A086104
%S A086104 23,71,11,31,71,13,17,37,71,11,31,71,31,71,11,71,11,71,31,71,31,11,11,
%T A086104 31,71,73,13,73,13,73,73,73,17,17,97,97,37,97,37,17,17,97,37,79,79,19,
%U A086104 79,19,79,79,19,79,19,71,31,11,11,31,11,11,31,71,11,31,71,31,71,31,11
%N A086104 Primes appearing as concatenation of the last digit of Prime[A086101(n)] 
               and the first digit of Prime[A086101(n)+1].
%C A086104 Prime numbers in A166499. [Zak Seidov (zakseidov(AT)yahoo.com), Oct 15 
               2009]
%t A086104 Select[Table[FromDigits[{IntegerDigits[Prime[n]][[-1]],IntegerDigits[Prime[n+1]][[1]]}], 
               {n,300}],PrimeQ] # Zak Seidov (zakseidov(AT)yahoo.com), Oct 15 2009
%Y A086104 Cf. A086101.
%Y A086104 Sequence in context: A116333 A042040 A073035 this_sequence A154619 A142405 
               A139962
%Y A086104 Adjacent sequences: A086101 A086102 A086103 this_sequence A086105 A086106 
               A086107
%K A086104 easy,nonn,base
%O A086104 1,1
%A A086104 Zak Seidov (zakseidov(AT)yahoo.com), Jul 09 2003