Search: id:A106175
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%I A106175
%S A106175 1,135,11791,3186521,278253009,14755412411,24297576265,1288470373299,
%T A106175 112511657189035,30406305506223725,2655135804746536821,
%U A106175 140798562959107191995,231851453975691325309,12294795423043604534211
%N A106175 Numbers n such that n^2 = 67*(k^2) + 67*k + 1.
%F A106175 a(1)=1, a(2)=135, a(3)=11791, a(4)=3186521, a(5)=278253009, a(6)=14755412411, 
               a(7)=9542163854*a(1)+a(6), a(8)=9542163854*a(2)+a(5), a(9)=9542163854*a(3)+a(4), 
               a(10)=9542163854*a(4)+a(3), a(11)=9542163854*a(5)+a(2), a(12)=9542163854*a(6)+a(1), 
               then a(n)=9542163854*a(n-6)-a(n-12)
%Y A106175 Cf. A106176.
%Y A106175 Sequence in context: A051028 A076011 A132054 this_sequence A051307 A056740 
               A065663
%Y A106175 Adjacent sequences: A106172 A106173 A106174 this_sequence A106176 A106177 
               A106178
%K A106175 nonn
%O A106175 1,2
%A A106175 Pierre CAMI (pierrecami(AT)tele2.fr), Apr 24 2005

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