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>
| 1349: | \[L_{1349}\] | 2699 × 9349 × 40471 × 688846502588399<15> × 55653727975584465805489<23> × 238440624146100449334366697620529<33> × 69584585520794957002701949820564069<35> × 1293316159553956352871063033367974794173163316138342564241304464585352586563857139666917107513310330737808729484170960678992444623581998520417519740276507168921415921<166> |