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.

A333125 a(n) = binomial(Fibonacci(n),n).

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%I A333125 #17 Mar 11 2020 11:56:04
%S A333125 1,1,0,0,0,1,28,1716,203490,52451256,29248649430,36519676207704,
%T A333125 103619293824707388,681222021538453426360,10526080837282875691177000,
%U A333125 387340445158332035685509830240,34306348668342682111244774082795555,7379087300345635546662027722168990277849
%N A333125 a(n) = binomial(Fibonacci(n),n).
%H A333125 Andrew Nelson, <a href="/A333125/b333125.txt">Table of n, a(n) for n = 0..50</a>
%F A333125 a(n) ~ phi^(n^2) * exp(n) / (sqrt(2*Pi) * 5^(n/2) * n^(n + 1/2)), where phi = A001622 = (1+sqrt(5))/2 is the golden ratio.
%t A333125 Table[Binomial[Fibonacci[n], n], {n, 0, 20}]
%o A333125 (PARI) a(n) = binomial(fibonacci(n), n); \\ _Michel Marcus_, Mar 10 2020
%Y A333125 Cf. A000045, A014070.
%K A333125 nonn
%O A333125 0,7
%A A333125 _Vaclav Kotesovec_, Mar 08 2020, following a suggestion of _Andrew Nelson_