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>
| 497: | \[L_{497}\] | 29 × 9941 × 173907259 × 849570487921<12> × 51073328790989<14> × 688846502588399<15> × 49112877772690986784155213416124904587079758531091<50> |