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>
842: | \[L_{842}\] | 3 × 28627 × 10053481 × 1620649603 × 413275721914200078256072302473768357202987282711333929<54> × 160490938217156578075343591949600722620987265783374398565282760873022664977199524847267655610984009929<102> |