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>
498: | \[L_{498}\] | 2 × 32 × 6464041 × 20276569 × 93750172283<11> × 245329617161<12> × 10341247759646081<17> × 212216314620580244514251999177476639338737695720283<51> |