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>
| 724: | \[L_{724}\] | 7 × 1447 × 732689 × 225937670743<12> × 3319842401767<13> × 3505734719314845577520087<25> × 242397046058437930505986512241<30> × 2461895782535403312966952237009<31> × 1741338277265372904706365732792529<34> |