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>
| 563: | \[L_{563}\] | 28151 × 129491 × 7116969960760158043281476708611<31> × 193075887142802596034885531645832319<36> × 912609273275578867774052999690178123975991<42> |