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>
| 1345: | \[L_{1345}\] | 11 × 13451 × 29395014890011<14> × 49098524855733491<17> × 285200827402787171<18> × 290341026883813109<18> × 860882346042166879<18> × 697670060604425398470065772398141<33> × 90898463077186819552091170644947695481<38> × 927102056939201602279659293132497550069850670501556500510951<60> × 136946074227137827547169297846471115181526920566105270330440851<63> |