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>
700: | \[L_{700}\] | 72 × 2161 × 14503 × 9125201 × 5738108801<10> × 118021448662479038881<21> × 140585067573807402336001<24> × 22433534203303161157674001<26> × 6534771852325519369556579447274415935790606787202001<52> |