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>
| 480: | \[L_{480}\] | 2 × 641 × 1087 × 4481 × 11862575248703<14> × 878132240443974874201601<24> × 316837008400107576629115441641182686718784605974069121<54> |