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>
| 676: | \[L_{676}\] | 7 × 103 × 3605783 × 102193207 × 119576611127<12> × 1121862228752076942001<22> × 52930032633651220013098981787792446321861656466318840674656529404430844347515027644501981441<92> |