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>
| 827: | \[L_{827}\] | 1257041 × 16721941 × 28837105949471<14> × 241966641660839<15> × 1352805356114179046939<22> × 1081676837823661872260758079<28> × 317031446954850533955668682035991206482881263542292407676309907499596450018199509431<84> |