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>
| 623: | \[L_{623}\] | 29 × 179 × 242971 × 54578539 × 22235502640988369<17> × 10337738650011848457662525758925506627248178304548459170450156134555601204712391460630813651317329<98> |