Search: id:A110285
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%I A110285
%S A110285 168,760,2154,9172
%N A110285 Numbers n such that n*10^n + n - 1 is prime.
%C A110285 Not proved, only Fermat and Lucas PRPs. Next term is greater than 12000. 
               Concerning primes of the form n * 10^n + n + 1, only n=42 yields 
               one for all n up to 7700.
%Y A110285 Sequence in context: A027679 A137863 A157998 this_sequence A070835 A112551 
               A110075
%Y A110285 Adjacent sequences: A110282 A110283 A110284 this_sequence A110286 A110287 
               A110288
%K A110285 more,nonn
%O A110285 1,1
%A A110285 Jason Earls (zevi_35711(AT)yahoo.com), Sep 07 2005

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