Search: id:A117619
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%I A117619
%S A117619 7,8,11,16,23,32,43,56,71,88,107,128,151,176,203,232,263,296,331,368,
%T A117619 407,448,491,536,583,632,683,736,791,848,907,968,1031,1096,1163,1232,
%U A117619 1303,1376,1451,1528,1607,1688,1771,1856,1943,2032,2123,2216,2311,2408
%N A117619 a(n) = n^2 + 7.
%F A117619 a(n)=2*n+a(n-1)-3 (with a(1)=7) [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), 
               Nov 07 2009]
%e A117619 If n=1 then n^2 + 7 = 1^2 + 7 = 8 which is the second term.
%e A117619 For n=2, a(2)=2*2+7-3=8; n=3, a(3)=2*3+8-3=11; n=4, a(4)=2*4+11-3=16 
               [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Nov 07 2009]
%t A117619 Table[n^2 + 7, {n, 0, 60}] - Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), 
               Apr 08 2006
%o A117619 (Other) sage: [lucas_number1(3,n,-7) for n in xrange(0, 50)] # [From 
               Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), May 16 2009]
%Y A117619 Cf. A117951, A117950.
%Y A117619 Sequence in context: A090385 A145826 A102963 this_sequence A098731 A105740 
               A050796
%Y A117619 Adjacent sequences: A117616 A117617 A117618 this_sequence A117620 A117621 
               A117622
%K A117619 nonn,less
%O A117619 0,1
%A A117619 Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Apr 07 2006
%E A117619 More terms from Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), 
               Apr 08 2006

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