%I A002328 M0494 N0179
%S A002328 3,4,5,6,7,9,10,11,12,14,16,17,20,21,22,25,27,29,31,32,36,39,40,42,45,
%T A002328 46,47,49,51,54,55,56,57,60,61,65,66,67,69,71,77,84,86,87,90,94,95,97,
%U A002328 101,102,104,115,116,121,126,127,131,132,135,139,141,142,145,146,149
%N A002328 Numbers n such that n^2 - n - 1 is prime.
%D A002328 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A002328 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 
               (includes this sequence).
%D A002328 D. H. Lehmer, Guide to Tables in the Theory of Numbers. Bulletin No. 
               105, National Research Council, Washington, DC, 1941, p. 46.
%D A002328 L. Poletti, Tavole di Numeri Primi Entro Limiti Diversi e Tavole Affini, 
               Milan, 1920, p. 249.
%H A002328 T. D. Noe, <a href="b002328.txt">Table of n, a(n) for n = 1..1000</a>
%F A002328 a(n) = (A088502(n)+1)/2. - Chandler
%t A002328 lst={};Do[If[PrimeQ[n^2-n-1], AppendTo[lst, n]], {n, 10^5}];lst [From 
               Vladimir Orlovsky (4vladimir(AT)gmail.com), Aug 21 2008]
%Y A002328 Cf. A002327, A088502, A110013.
%Y A002328 Sequence in context: A047252 A039235 A039179 this_sequence A039133 A113777 
               A039096
%Y A002328 Adjacent sequences: A002325 A002326 A002327 this_sequence A002329 A002330 
               A002331
%K A002328 nonn,easy
%O A002328 1,1
%A A002328 N. J. A. Sloane (njas(AT)research.att.com).
%E A002328 Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Sep 07 2005