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>
| 533: | \[L_{533}\] | 521 × 370248451 × 7277931649<10> × 77172891685198015687501<23> × 781758897640162023697900721<27> × 29009196548436220933458401274211367648069<41> |