Clever - RT @Mathinity_: Clever test for whether a number is Fibonacci, stated and proved by Ira Gessel in 1972 (link to his proof below). https://t…

11:13pm PDT - July 11th, 2023

RT @Mathinity_: Clever test for whether a number is Fibonacci, stated and proved by Ira Gessel in 1972 (link to his proof below). https://t…

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