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>
279: | \[L_{279}\] | 22 × 19 × 63799 × 2870911 × 3010349 × 35510749 × 3599504551 × 3790399876570715374441<22> |