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>
468: | \[L_{468}\] | 2 × 7 × 23 × 103 × 1249 × 103681 × 102193207 × 94491842183551489<17> × 1543279476449634699608479692367598435286976050460426712893441<61> |