Search: id:A027693
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%I A027693
%S A027693 8,10,14,20,28,38,50,64,80,98,118,140,164,190,218,248,280,314,350,
%T A027693 388,428,470,514,560,608,658,710,764,820,878,938,1000,1064,1130,
%U A027693 1198,1268,1340,1414,1490,1568,1648,1730,1814,1900,1988,2078,2170
%N A027693 Numbers of form n^2 + (n+8).
%C A027693 Except for the first term, a(n)=2*n+a(n-1), (with a(1)=10) [From Vincenzo 
               Librandi (vincenzo.librandi(AT)tin.it), Oct 23 2009]
%H A027693 P. De Geest, <a href="http://www.worldofnumbers.com/quasimor.htm">Palindromic 
               Quasi_Over_Squares of the form n^2+(n+X)</a>
%F A027693 a(n)=2*n+a(n-1)-2 (with a(1)=8) [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), 
               Nov 07 2009]
%e A027693 For n=2, a(2)=2*2+8-2=10; n=3, a(3)=2*3+10-2=14; n=4, a(4)=2*4+14-2=20 
               [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Nov 07 2009]
%p A027693 with (combinat):seq(fibonacci(3, n)+n+7, n=0..46); - Zerinvary Lajos 
               (zerinvarylajos(AT)yahoo.com), Jun 07 2008
%Y A027693 Cf. A002522.
%Y A027693 Sequence in context: A060864 A087695 A134321 this_sequence A100718 A063190 
               A101763
%Y A027693 Adjacent sequences: A027690 A027691 A027692 this_sequence A027694 A027695 
               A027696
%K A027693 nonn
%O A027693 1,1
%A A027693 Patrick De Geest (pdg(AT)worldofnumbers.com)

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