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>
543: | \[L_{543}\] | 22 × 97379 × 2215163084119<13> × 21373261504197751<17> × 32242356485644069<17> × 508229738737213043828237454765156917527096743214628879355506779<63> |