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>
| 1047: | \[L_{1047}\] | 22 × 240811 × 5131849561<10> × 81922033248592814089<20> × 15360894609285281651561<23> × 6868615650726652471695323898169<31> × 15113417001675529244038081332318969049640606213919377201865511612406479939702825398947370889117193596864145940447643266724644467431<131> |