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  2. Fibonacci sequence - Wikipedia

    en.wikipedia.org/wiki/Fibonacci_sequence

    Fibonacci sequence. In mathematics, the Fibonacci sequence is a sequence in which each number is the sum of the two preceding ones. Numbers that are part of the Fibonacci sequence are known as Fibonacci numbers, commonly denoted Fn . The sequence commonly starts from 0 and 1, although some authors start the sequence from 1 and 1 or sometimes ...

  3. Formulas for generating Pythagorean triples - Wikipedia

    en.wikipedia.org/wiki/Formulas_for_generating...

    A Pythagorean triple can be generated using any two positive integers by the following procedures using generalized Fibonacci sequences. For initial positive integers hn and hn+1, if hn + hn+1 = hn+2 and hn+1 + hn+2 = hn+3, then. is a Pythagorean triple.

  4. Generalizations of Fibonacci numbers - Wikipedia

    en.wikipedia.org/wiki/Generalizations_of...

    Generalizations of Fibonacci numbers. In mathematics, the Fibonacci numbers form a sequence defined recursively by: That is, after two starting values, each number is the sum of the two preceding numbers. The Fibonacci sequence has been studied extensively and generalized in many ways, for example, by starting with other numbers than 0 and 1 ...

  5. Fibonacci coding - Wikipedia

    en.wikipedia.org/wiki/Fibonacci_coding

    e. In mathematics and computing, Fibonacci coding is a universal code [citation needed] which encodes positive integers into binary code words. It is one example of representations of integers based on Fibonacci numbers. Each code word ends with "11" and contains no other instances of "11" before the end. The Fibonacci code is closely related ...

  6. Zeckendorf's theorem - Wikipedia

    en.wikipedia.org/wiki/Zeckendorf's_theorem

    Zeckendorf's theorem. The first 89 natural numbers in Zeckendorf form. Each rectangle has a Fibonacci number Fj as width (blue number in the center) and Fj−1 as height. The vertical bands have width 10. In mathematics, Zeckendorf's theorem, named after Belgian amateur mathematician Edouard Zeckendorf, is a theorem about the representation of ...

  7. Fibonomial coefficient - Wikipedia

    en.wikipedia.org/wiki/Fibonomial_coefficient

    Fibonomial coefficient. In mathematics, the Fibonomial coefficients or Fibonacci-binomial coefficients are defined as. where n and k are non-negative integers, 0 ≤ k ≤ n, Fj is the j -th Fibonacci number and n! F is the n th Fibonorial, i.e. where 0! F, being the empty product, evaluates to 1.

  8. Pell number - Wikipedia

    en.wikipedia.org/wiki/Pell_number

    These indices are all themselves prime. As with the Fibonacci numbers, a Pell number P n can only be prime if n itself is prime, because if d is a divisor of n then P d is a divisor of P n. The only Pell numbers that are squares, cubes, or any higher power of an integer are 0, 1, and 169 = 13 2. [7]

  9. Pisano period - Wikipedia

    en.wikipedia.org/wiki/Pisano_period

    The Pisano period, denoted π (n), is the length of the period of this sequence. For example, the sequence of Fibonacci numbers modulo 3 begins: This sequence has period 8, so π (3) = 8. For n = 3, this is a visualization of the Pisano period in the two-dimensional state space of the recurrence relation.