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>
| 919: | \[L_{919}\] | 229751 × 1067879 × 27268565128918438900818197910377197199<38> × 4999858608546300789384571799939098742069<40> × 21233525646574285590008359794183732605290630571<47> × 1615175852651272678056156808805004648955796220174831681781<58> |