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 A253268 #10 Oct 17 2019 10:41:32
%S A253268 1,1,8,648,2025000,530841600000,33309523161907200000,
%T A253268 1259861409934788058133299200000,
%U A253268 76494996113757662751632456649087438028800000,19375812441937279261781767910157290423127539712000000000000000
%N A253268 Product_{k=1..n} Fibonacci(k)^k.
%F A253268 a(n) ~ c * ((1+sqrt(5))/2)^(n*(n+1)*(2*n+1)/6) / 5^(n*(n+1)/4), where c = A253270 = 1.1188674438617789501735355690557711005492672642422237428157122531318... .
%t A253268 Table[Product[Fibonacci[k]^k,{k,1,n}],{n,1,10}]
%t A253268 FoldList[Times,Table[Fibonacci[n]^n,{n,10}]] (* _Harvey P. Dale_, Oct 17 2019 *)
%Y A253268 Cf. A000045, A003266, A062381, A152686, A253270.
%K A253268 nonn,easy
%O A253268 1,3
%A A253268 _Vaclav Kotesovec_, May 01 2015