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>
| 874: | \[L_{874}\] | 3 × 1747 × 4969 × 275449 × 29134601 × 33362036083<11> × 866373301206149380822278708445307<33> × 74835306064386985591477789718205082305681004374666828805817187879264950267305047858753866906315380648639757510767850843<119> |