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>
| 854: | \[L_{854}\] | 3 × 281 × 19763 × 625129 × 20296163 × 21291929 × 24848660119363<14> × 224312588642676067801<21> × 1191266988825344741353876871551810367428772935654274060842329674421727020843188235289393661941285608551175594411464363<118> |