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Fungrim entry: 7ef2c7

Fn=2Fn2+Fn3F_{n} = 2 F_{n - 2} + F_{n - 3}
Assumptions:nZn \in \mathbb{Z}
TeX:
F_{n} = 2 F_{n - 2} + F_{n - 3}

n \in \mathbb{Z}
Definitions:
Fungrim symbol Notation Short description
FibonacciFnF_{n} Fibonacci number
ZZZ\mathbb{Z} Integers
Source code for this entry:
Entry(ID("7ef2c7"),
    Formula(Equal(Fibonacci(n), Add(Mul(2, Fibonacci(Sub(n, 2))), Fibonacci(Sub(n, 3))))),
    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.

2019-10-05 13:11:19.856591 UTC