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
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
547: | \[L_{547}\] | 33717760469<11> × 26548748443171<14> × 2313856615383791643318762374025434021264150576293174229990441474419113431824028241646408571<91> |