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>
| 806: | \[L_{806}\] | 3 × 90481 × 967201 × 54177707 × 3020733700601<13> × 37991144826907<14> × 211026421729187<15> × 8070313050428917208622229056872390271931916484673903092058243476519084235979250141150002113503741357021971827<109> |