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>
| 678: | \[L_{678}\] | 2 × 32 × 6329 × 2151521 × 122464427 × 10082150838124907<17> × 34040411535767969315747440867<29> × 479412056854784405901249320812335640667469803219785776556417433609534975788763<78> |