The story
Named after the Italian mathematician later known as Fibonacci (c.1175 – c.1250), who introduced the sequence to a European readership in his 1202 book Liber Abaci.
Etymology from Wiktionary, CC BY-SA 4.0.
Fibonacci sequence
Today it means: The sequence of integers, each of which is the sum of the preceding two, the first and second numbers both being 1. Full definition →