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>
376: | \[L_{376}\] | 472 × 10779169 × 3547078721 × 1844139855023<13> × 24372891567119546024482755738068603581938859649<47> |