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>
308: | \[L_{308}\] | 72 × 263 × 881 × 967 × 14503 × 7872253927<10> × 9623520524969002343<19> × 1935298980672778761041<22> |