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>
| 849: | \[L_{849}\] | 22 × 1699 × 252605941501<12> × 810097733281<12> × 324238999448153864959724538289151678378314771<45> × 5975950248241089480192148645846321538760410546684172502865960527030030439399310035562247518338000993500831<106> |