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>
619: | \[L_{619}\] | 13532654250972086714565765232740689<35> × 170595011968820323857087100500273620945673137524902119790858850180292367541706115335530380231941<96> |