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>
| 501: | \[L_{501}\] | 22 × 15031 × 319639 × 766531 × 3125717675274679<16> × 340297143912126871<18> × 309996050936662541864097481<27> × 103849927693584542320127327909<30> |