%I A028873
%S A028873 4,8,10,14,20,26,32,34,40,44,46,58,64,68,80,86,88,92,98,110,112,118,
%T A028873 124,128,136,140,142,146,164,172,190,194,202,206,208,218,220,250,
%U A028873 254,266,268,296,298,304,310,320,322,326,328,332,340,350,356,362
%N A028873 Numbers n such that n^2 - 3 is prime.
%H A028873 P. De Geest, <a href="http://www.worldofnumbers.com/consemor.htm">Palindromic 
               Quasipronics of the form n(n+x)</a>
%H A028873 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               Near-SquarePrime.html">Near-Square Prime</a>
%t A028873 a[n_]:=n^x-y;lst={};x=2;y=3;Do[If[PrimeQ[a[n]],AppendTo[lst,n]],{n,0,
               6!}];lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Jan 03 
               2009]
%Y A028873 Sequence in context: A161667 A063087 A120064 this_sequence A153975 A020169 
               A082934
%Y A028873 Adjacent sequences: A028870 A028871 A028872 this_sequence A028874 A028875 
               A028876
%K A028873 nonn
%O A028873 1,1
%A A028873 Patrick De Geest (pdg(AT)worldofnumbers.com)