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>
| 781: | \[L_{781}\] | 199 × 688846502588399<15> × 1756946968554130704773515259<28> × 68803867061810110076722288969278571952448697360485585888732848912015372293782951800316040073554846962007003930371409139<119> |