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>
| 470: | \[L_{470}\] | 3 × 41 × 563 × 5641 × 16921 × 276222761 × 4632894751907<13> × 19809950476703891759635852223863606381827838846342829232189869441<65> |