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>
| 754: | \[L_{754}\] | 3 × 347 × 9049 × 90481 × 1270083883 × 41909403724241<14> × 831626178958431687902461112366231765603272621579866753431481189372830820841803046164966802869061426627926985929903034912889<123> |