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 A152686 #16 Sep 14 2018 15:57:20
%S A152686 1,1,1,2,12,360,86400,269568000,17662095360000,39345496591564800000,
%T A152686 4820704671590339051520000000,52567343238846954009129910272000000000,
%U A152686 82543717140049422917575408530662149324800000000000
%N A152686 Partial products of the partial products of the nonzero Fibonacci numbers.
%C A152686 Partial products of A003266.
%H A152686 G. C. Greubel, <a href="/A152686/b152686.txt">Table of n, a(n) for n = 0..31</a>
%F A152686 a(n) = Product_{i=1..n} A003266(i). - _R. J. Mathar_, Dec 12 2008
%F A152686 a(n) ~ f * ((1+sqrt(5))/2)^(n*(n+1)*(n+2)/6) * C^n / 5^(n*(n+1)/4), where C = A062073 = 1.2267420107203532444176302... is the Fibonacci factorial constant and f = A253267 = 1.096414072507324423110215998844440375945929608777697938465... . - _Vaclav Kotesovec_, May 01 2015
%t A152686 Table[Product[Product[Fibonacci[k],{k,1,j}],{j,1,n}],{n,1,12}] (* _Vaclav Kotesovec_, May 01 2015 *)
%Y A152686 Cf. A001924, A003266, A062381, A253267.
%K A152686 nonn
%O A152686 0,4
%A A152686 _Vladimir Joseph Stephan Orlovsky_, Dec 10 2008
%E A152686 Edited by _R. J. Mathar_, Dec 12 2008
%E A152686 a(0)=1 prepended by _Alois P. Heinz_, Sep 14 2018