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>
| 512: | \[L_{512}\] | 21503 × 455666699738584063<18> × 1019850606646830767915009<25> × 10045901211945615185770822340063765796721091525356133475714047<62> |