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>
| 1285: | \[L_{1285}\] | 11 × 30841 × 385501 × 2107028233569599<16> × 125090447782502159<18> × 5068501341140433751<19> × 1945042261468790758531<22> × 6177469826708194720961<22> × 272162595895837630384905848350050064814690796188857682169034081<63> × 61976763678046566198820049138155979709231776685519375048077052223535063471243927032091091898994687651<101> |