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                        Lucas

                        Reading time: 1min

                        Returns the desired Lucas number. Similar to the Fibonacci numbers, each Lucas number is defined to be the sum of its two immediately previous terms. The first two Lucas numbers are L0=2, L1=1 and for n greater than 2, Ln=Ln-1+Ln-2.

                        Syntax

                        lucas(Integer)
                        

                        Description

                        Given an integer n, returns Ln.

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                        Lucas

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