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Fungrim entry: ce6dd0

F−n=(−1)n+1FnF_{-n} = {\left(-1\right)}^{n + 1} F_{n}
Assumptions:n∈Zn \in \mathbb{Z}
TeX:
F_{-n} = {\left(-1\right)}^{n + 1} F_{n}

n \in \mathbb{Z}
Definitions:
Fungrim symbol Notation Short description
FibonacciFnF_{n} Fibonacci number
Powab{a}^{b} Power
ZZZ\mathbb{Z} Integers
Source code for this entry:
Entry(ID("ce6dd0"),
    Formula(Equal(Fibonacci(Neg(n)), Mul(Pow(-1, Add(n, 1)), Fibonacci(n)))),
    Variables(n),
    Assumptions(Element(n, ZZ)))

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Copyright (C) Fredrik Johansson and contributors. Fungrim is provided under the MIT license. The source code is on GitHub.

2021-03-15 19:12:00.328586 UTC