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>
| 658: | \[L_{658}\] | 3 × 281 × 563 × 3947 × 5641 × 4632894751907<13> × 1029585741481890209<19> × 1515930440921096446393600691253785146698187<43> × 4272812753313752222976455165311647024805434799200841<52> |