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>
| 694: | \[L_{694}\] | 3 × 594273587 × 27159850749888907<17> × 61443319601189051182963<23> × 3663638382512456011686820598238440465169046184224157611729319055317086862025833274721942540178843<97> |