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>
1191: | \[L_{1191}\] | 22 × 378739 × 20998263206630329<17> × 138787200818838488796281<24> × 669489488461007623536076657264221325654746723636804695546641<60> × 271395700894296258855454734134231698090772387197385950836712920545838801524508699677525127937170032196694180431621552551377578389651107902927631<144> |