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>
| 423: | \[L_{423}\] | 22 × 19 × 79099591 × 6643838879<10> × 139509555271<12> × 4526483582630502302599448017416286765824514198161691031041<58> |