tables > lucas

Lucas Sequence

Defined with \(L_0=2\), \(L_1=1\), and \(L_n=L_{n-1}+L_{n-2}\) when \(n\geq2\). Related to the Fibonacci sequence.

Table

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Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>

428: \[L_{428}\] 7 × 21596023 × 33640801 × 386610981607<12> × 142264876689191867899932963896908856493492846259257310816208161<63>

Index range: 428 – 428 << prev next >>