Search: id:A154599
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%I A154599
%S A154599 30,56,86,120,158,200,246,296,350,408,470,536,606,680,758,840,926,1016,
%T A154599 1110,1208,1310,1416,1526,1640,1758,1880,2006,2136,2270,2408,2550,2696,
%U A154599 2846,3000,3158,3320,3486,3656,3830,4008,4190,4376,4566,4760,4958,5160
%N A154599 a(n)=2n^2+20n+8
%C A154599 Tenth diagonal [A144562]; 2*a(n)+84 is a square
%F A154599 a(n)=2n^2+20n+8
%e A154599 For n=1, a(1)=30; n=10, a(10)=408
%Y A154599 Cf. A144562, A153238, A067076
%Y A154599 Sequence in context: A006315 A027578 A029713 this_sequence A031126 A048451 
               A154796
%Y A154599 Adjacent sequences: A154596 A154597 A154598 this_sequence A154600 A154601 
               A154602
%K A154599 nonn
%O A154599 1,1
%A A154599 Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Jan 12 2009

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