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OEIS = encyclopedia of integer *SEQUENCES* (that word was missing)


In Sloane's On-Line Encyclopedia of Integers (OEIS), the Fibonacci numbers are listed at [[http://oeis.org/A000045 entry A45]]. There's also a scholarly journal, the ''Fibonacci Quarterly'' (often abbreviated ''Fib. Quart.''), expressly devoted to the study of Fibonacci numbers.

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In Sloane's On-Line Encyclopedia of Integers Integer Sequences (OEIS), the Fibonacci numbers are listed at [[http://oeis.org/A000045 entry A45]]. There's also a scholarly journal, the ''Fibonacci Quarterly'' (often abbreviated ''Fib. Quart.''), expressly devoted to the study of Fibonacci numbers.
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In movies and TV shows, we're only likely to see a few Fibonacci numbers for very small positive indices. For example in the ''WesternAnimation/FamilyGuy'' episode [[Recap/FamilyGuyS18E15BabyStewie "Baby Stewie"]], Stewie tells Brian the answer to the escape room riddle is the Fibonacci sequence from ''Literature/TheDaVinciCode''. Brian then relays the answer to the rest of his family as if he figured it out, saying it's from an "Italian number guy."

In Sloane's On-Line Encyclopedia of Integers, the Fibonacci numbers are listed at [[http://oeis.org/A000045 entry A45]]. There's also a scholarly journal, the ''Fibonacci Quarterly'' (often abbreviated ''Fib. Quart.''), expressly devoted to the study of Fibonacci numbers.

to:

In movies and TV shows, we're only likely to see a few Fibonacci numbers for very small positive indices. For example in the ''WesternAnimation/FamilyGuy'' episode [[Recap/FamilyGuyS18E15BabyStewie "Baby Stewie"]], Stewie tells Brian the answer to the escape room riddle is the Fibonacci sequence from ''Literature/TheDaVinciCode''. Brian then relays the answer to the rest of his family as if he figured it out, out himself, saying it's from an "Italian number guy."

In Sloane's On-Line Encyclopedia of Integers, Integers (OEIS), the Fibonacci numbers are listed at [[http://oeis.org/A000045 entry A45]]. There's also a scholarly journal, the ''Fibonacci Quarterly'' (often abbreviated ''Fib. Quart.''), expressly devoted to the study of Fibonacci numbers.
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Leonardo da Pisa, son of Gugliemo Bonacci ("figlio di Bonacci"), author of ''Liber Abaci'', is today best known for a sequence of integers pertaining to the golden ratio.

The Fibonacci numbers are ''F''(0) = 0, ''F''(1) = 1, and for integers ''n'' greater than 1, ''F''(''n'') = ''F''(''n'' − 2) + ''F''(''n'' − 1). The first few are 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144.

The Fibonacci numbers are easily extended to negative integer indices ([[https://www.wolframalpha.com/input/?i=Fibonacci%5BRange%5B-12%2C+12%5D%5D example on Wolfram Alpha]]) and with a little more effort, to other real numbers ([[https://www.wolframalpha.com/input/?i=Fibonacci%5BRange%5B-12%2C+12%2C+1%2F2%5D%5D example on Wolfram Alpha]]), imaginary numbers and complex numbers.

In movies and TV shows, we're only likely to see a few Fibonacci numbers for very small positive indices. For example in the ''WesternAnimation/FamilyGuy'' episode [[Recap/FamilyGuyS18E15BabyStewie "Baby Stewie"]], Stewie tells Brian the answer to the escape room riddle is the Fibonacci sequence from ''Literature/TheDaVinciCode''. Brian then relays the answer to the rest of his family as if he figured it out, saying it's from an "Italian number guy."

In Sloane's On-Line Encyclopedia of Integers, the Fibonacci numbers are listed at [[http://oeis.org/A000045 entry A45]]. There's also a scholarly journal, the ''Fibonacci Quarterly'' (often abbreviated ''Fib. Quart.''), expressly devoted to the study of Fibonacci numbers.

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