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>
| 1472: | \[L_{1472}\] | 127 × 176641 × 52880129 × 69922943 × 134383737601<12> × 186812208641<12> × 1018072239035290610047<22> × 20112610406595844240540712567802063977292260993399111987683825659025910125641413489972594489496989882351488290993620385052736908955658589248470190751581204212262582442756950372504274631018021641633445900235998572763609670868435779776679863809<242> |