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A333125
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a(n) = binomial(Fibonacci(n),n).
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1
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1, 1, 0, 0, 0, 1, 28, 1716, 203490, 52451256, 29248649430, 36519676207704, 103619293824707388, 681222021538453426360, 10526080837282875691177000, 387340445158332035685509830240, 34306348668342682111244774082795555, 7379087300345635546662027722168990277849
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OFFSET
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0,7
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LINKS
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FORMULA
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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.
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MATHEMATICA
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Table[Binomial[Fibonacci[n], n], {n, 0, 20}]
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PROG
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(PARI) a(n) = binomial(fibonacci(n), n); \\ Michel Marcus, Mar 10 2020
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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