Search: id:A120828
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%I A120828
%S A120828 3,5,35,139,153,253,1053,2015,3703
%N A120828 Primes with n consecutive digits descending beginning with the digit 
               one.
%C A120828 Digits are in descending order beginning with 1 and after 0 comes 9.
%e A120828 5 is a term since 10987 is a prime.
%t A120828 fQ[n_] := PrimeQ@ FromDigits@ Mod[2-Range@n, 10]; lst = {}; Do[ If[fQ@n, 
               AppendTo[lst, n]; Print@n], {n, 6000}]; lst
%Y A120828 Cf. A120804, A120819 A120829.
%Y A120828 Sequence in context: A055786 A001790 A057908 this_sequence A077784 A145640 
               A086158
%Y A120828 Adjacent sequences: A120825 A120826 A120827 this_sequence A120829 A120830 
               A120831
%K A120828 base,hard,nonn
%O A120828 1,1
%A A120828 Robert G. Wilson v (rgwv(AT)rgwv.com), Jul 05 2006

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