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>
1180: | \[L_{1180}\] | 7 × 2161 × 4721 × 12743 × 13687 × 1316881 × 5974828049<10> × 65419750842207426686881<23> × 2871307447985313921708888731089<31> × 218971811516914190435313780361118122201504494690888697727697099690614776853147875865278002611528855375892245560353801315570456502330011432391640102243752693225121<162> |