Search: id:A089747
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%I A089747
%S A089747 2,4,6,8,14,16,18,28,34,36,38,46,48,58,66,68,74,86,88,96,98,104,116,118,
%T A089747 126,136,138,148,156,164,167,178,184,194,204,207,216,218,234,236,244,
%U A089747 246,254,256,266,268,276,278,288
%N A089747 Numbers n such that n^2 - 2n + 5 is prime.
%D A089747 M. Cerasoli, F. Eugeni and M. Protasi, Elementi di Matematica Discreta, 
               Bologna 1988
%D A089747 Emanuele Munarini and Norma Zagaglia Salvi, Matematica Discreta,UTET, 
               CittaStudiEdizioni, Milano 1997
%F A089747 a(n) = A007591(n)+1.
%Y A089747 Cf. A005473 gives primes, A007591.
%Y A089747 Sequence in context: A086529 A054409 A152973 this_sequence A049015 A005250 
               A162762
%Y A089747 Adjacent sequences: A089744 A089745 A089746 this_sequence A089748 A089749 
               A089750
%K A089747 nonn
%O A089747 1,1
%A A089747 Giovanni Teofilatto (g.teofilatto(AT)tiscalinet.it), Jan 08 2004

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