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>
443: | \[L_{443}\] | 2659 × 135559 × 1058468497584673231839683421107696696195973642200254474517777673097952198651301042859<85> |