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>
| 629: | \[L_{629}\] | 1259 × 3571 × 54018521 × 6432004419524768771<19> × 928294553785604024069<21> × 9213600844342338822158858849<28> × 21252299000611471051467418785580457635349794220029<50> |