cp's OEIS Frontend

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.

A215045 a(n) = F(2*n+1)^5 with n >= 0, F=A000045 (Fibonacci numbers).

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%I A215045 #23 Oct 01 2024 15:35:48
%S A215045 1,32,3125,371293,45435424,5584059449,686719856393,84459630100000,
%T A215045 10387823949447757,1277617458486664901,157136551895768914976,
%U A215045 19326518128014212635057,2377004590722802744140625,292352238096435536675521568
%N A215045 a(n) = F(2*n+1)^5 with n >= 0, F=A000045 (Fibonacci numbers).
%H A215045 Vincenzo Librandi, <a href="/A215045/b215045.txt">Table of n, a(n) for n = 0..200</a>
%H A215045 <a href="/index/Rec#order_06">Index entries for linear recurrences with constant coefficients</a>, signature (144,-2640,6930,-2640,144,-1).
%F A215045 O.g.f.: (1-x)*(1-111*x+1046*x^2-111*x^3+x^4)/((1-3*x+x^2)*(1-18*x+x^2)*(1-123*x+x^2)). From the odd part of the bisection of A056572.
%t A215045 Table[Fibonacci[2*n+1]^5, {n,0,201}] (* _Vincenzo Librandi_, Sep 02 2012 *)
%t A215045 Fibonacci[Range[1,35,2]]^5 (* _Harvey P. Dale_, Apr 05 2019 *)
%o A215045 (Magma) [Fibonacci(2*n+1)^5: n in [0..15]]; // _Vincenzo Librandi_, Sep 02 2012
%Y A215045 Cf. A000045, A056572, A215044 (even part).
%K A215045 nonn,easy
%O A215045 0,2
%A A215045 _Wolfdieter Lang_, Aug 31 2012