Search: id:A027691
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%I A027691
%S A027691 6,8,12,18,26,36,48,62,78,96,116,138,162,188,216,246,278,312,348,
%T A027691 386,426,468,512,558,606,656,708,762,818,876,936,998,1062,1128,1196,
%U A027691 1266,1338,1412,1488,1566,1646,1728,1812,1898,1986,2076,2168,2262
%N A027691 Numbers of form n^2 + (n+6).
%C A027691 Except for the first term, a(n)=2*n+a(n-1), (with a(1)=8) [From Vincenzo 
               Librandi (vincenzo.librandi(AT)tin.it), Oct 23 2009]
%H A027691 P. De Geest, <a href="http://www.worldofnumbers.com/quasimor.htm">Palindromic 
               Quasi_Over_Squares of the form n^2+(n+X)</a>
%F A027691 a(n)=2*n+a(n-1)-2 (with a(1)=6) [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), 
               Nov 07 2009]
%e A027691 For n=2, a(2)=2*2+6-2=8; n=3, a(3)=2*3+8-2=12; n=4, a(4)=2*4+12-2=18 
               [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Nov 07 2009]
%p A027691 with (combinat):seq(fibonacci(3, n)+n+5, n=0..47); - Zerinvary Lajos 
               (zerinvarylajos(AT)yahoo.com), Jun 07 2008
%Y A027691 Cf. A002522.
%Y A027691 Sequence in context: A050992 A090259 A089241 this_sequence A146529 A062533 
               A077670
%Y A027691 Adjacent sequences: A027688 A027689 A027690 this_sequence A027692 A027693 
               A027694
%K A027691 nonn,new
%O A027691 1,1
%A A027691 Patrick De Geest (pdg(AT)worldofnumbers.com)

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