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>
| 471: | \[L_{471}\] | 22 × 39980051 × 412341661 × 16188856575286517818849171<26> × 478330258123360554199869169<27> × 530974881763927371142458559129<30> |