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>
575: | \[L_{575}\] | 11 × 101 × 139 × 151 × 461 × 1151 × 5981 × 324301 × 686551 × 266143351 × 29044552493936403760651069635921045701<38> × 11556754394888890033069852984553673844744195451<47> |