%I A027757
%S A027757 1,4,13,16,19,25,28,43,49,55,76,79,88,106,118,121,139,145,151,154,
%T A027757 175,190,205,208,211,235,238,253,259,268,271,301,310,370,373,376,
%U A027757 391,400,403,415,433,445,484,490,508,511,523,544,568,580,583,589
%N A027757 Numbers n such that n^2 + n + 9 is prime.
%H A027757 P. De Geest, <a href="http://www.worldofnumbers.com/index.html">World!Of 
               Numbers</a>
%Y A027757 Sequence in context: A106681 A144947 A022416 this_sequence A165336 A031181 
               A074262
%Y A027757 Adjacent sequences: A027754 A027755 A027756 this_sequence A027758 A027759 
               A027760
%K A027757 nonn
%O A027757 1,2
%A A027757 Patrick De Geest (pdg(AT)worldofnumbers.com)