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 A134499 #22 Mar 11 2024 11:32:08
%S A134499 1,21,610,17711,514229,14930352,433494437,12586269025,365435296162,
%T A134499 10610209857723,308061521170129,8944394323791464,259695496911122585,
%U A134499 7540113804746346429,218922995834555169026,6356306993006846248183
%N A134499 a(n) = Fibonacci(7*n+1).
%H A134499 <a href="/index/Rec#order_02">Index entries for linear recurrences with constant coefficients</a>, signature (29,1).
%F A134499 G.f.: ( -1+8*x ) / ( -1+29*x+x^2 ). - _R. J. Mathar_, Apr 17 2011
%F A134499 2*a(n) = Fibonacci(7*n) + Lucas(7*n). - _Bruno Berselli_, Oct 13 2017
%t A134499 Table[Fibonacci[7 n + 1], {n, 0, 30}]
%o A134499 (Magma) [Fibonacci(7*n+1): n in [0..100]]; // _Vincenzo Librandi_, Apr 16 2011
%o A134499 (PARI) a(n)=fibonacci(7*n+1) \\ _Charles R Greathouse IV_, Jun 11 2015
%Y A134499 Cf. A000032, A000045, A134498, A134500, A134501, A134502, A134503, A134504.
%K A134499 nonn,easy
%O A134499 0,2
%A A134499 _Artur Jasinski_, Oct 28 2007
%E A134499 Offset corrected by _Vincenzo Librandi_, Apr 16 2011