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>
598: | \[L_{598}\] | 3 × 4969 × 90481 × 275449 × 151267026111872440462314961<27> × 1678323815928758196568479444759711254314113821095553715158725500728584313774918984881<85> |