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>
| 611: | \[L_{611}\] | 521 × 238291 × 6643838879<10> × 2121127700656264401736409782758747057751<40> × 28087748143261965605558733084722652431801527001555698399980424482805021<71> |