Search: id:A103548
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%I A103548
%S A103548 89,863,8821,68683,864883,6866683
%N A103548 a(n) is the largest n-digit zeroless prime such that the sum of the two 
               numbers that result from splitting a(n) between any two of its digits 
               is a distinct prime.
%C A103548 There is no such 8-digit prime, i.e. the sequence ends at a(7) -- although 
               in theory a(n) might exist for some n>8. [From Hagen von Eitzen (math(AT)von-eitzen.de), 
               Jun 02 2009]
%e A103548 a(4)=8821. 8+821=829, which is prime. 88+21=109, which is prime. 882+1=883, 
               which is prime.
%Y A103548 Sequence in context: A063654 A069764 A053580 this_sequence A097155 A158716 
               A093289
%Y A103548 Adjacent sequences: A103545 A103546 A103547 this_sequence A103549 A103550 
               A103551
%K A103548 base,fini,full,nonn
%O A103548 2,1
%A A103548 Ray G. Opao (1260(AT)email.com), Mar 23 2005
%E A103548 Last terms a(6) and a(7) from Hagen von Eitzen (math(AT)von-eitzen.de), 
               Jun 02 2009

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