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>
| 475: | \[L_{475}\] | 11 × 101 × 151 × 191 × 4751 × 9349 × 41611 × 16051201 × 87382901 × 662274006922117144633042051<27> × 33781171015631627701406786489962619501<38> |