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>
| 998: | \[L_{998}\] | 3 × 18582761 × 67981763 × 6075302912079557337289166809<28> × 6026876932063907001597745100711432522454350507<46> × 4872274090894466294210779910804518044417789501643<49> × 54909700992267693296100634099070750691757263731601370003106270465368123<71> |