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>
| 807: | \[L_{807}\] | 22 × 13451 × 673039 × 49098524855733491<17> × 290341026883813109<18> × 860882346042166879<18> × 10121624757615454637883949601074030414850110426546243313513618111244674799275067486492981262203705691962409<107> |