This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A134503 #21 Mar 11 2024 11:11:35
%S A134503 5,144,4181,121393,3524578,102334155,2971215073,86267571272,
%T A134503 2504730781961,72723460248141,2111485077978050,61305790721611591,
%U A134503 1779979416004714189,51680708854858323072,1500520536206896083277
%N A134503 a(n) = Fibonacci(7n + 5).
%H A134503 <a href="/index/Rec#order_02">Index entries for linear recurrences with constant coefficients</a>, signature (29,1)
%F A134503 From _R. J. Mathar_, Apr 17 2011: (Start)
%F A134503 G.f.: (-5+x) / (-1 + 29*x + x^2).
%F A134503 a(n) = 5*A049667(n+1) - A049667(n). (End)
%t A134503 Table[Fibonacci[7n+5], {n, 0, 30}]
%t A134503 LinearRecurrence[{29,1},{5,144},20] (* _Harvey P. Dale_, Apr 24 2017 *)
%o A134503 (Magma) [Fibonacci(7*n+5): n in [0..100]]; // _Vincenzo Librandi_, Apr 17 2011
%o A134503 (PARI) a(n)=fibonacci(7*n+5) \\ _Charles R Greathouse IV_, Jun 11 2015
%Y A134503 Cf. A000045, A134498, A134499, A134500, A134501, A134502, A134504.
%K A134503 nonn,easy
%O A134503 0,1
%A A134503 _Artur Jasinski_, Oct 28 2007
%E A134503 Offset changed from 1 to 0 by _Vincenzo Librandi_, Apr 17 2011