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>
968: | \[L_{968}\] | 47 × 5807 × 325249 × 93058241 × 562418561 × 737770568303<12> × 1683917909669895107077111366848790159707078402876681326940905124408101281<73> × 3457111461466420338367998106157854914017125010675210994474782570646705958251013597408304449<91> |