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>
| 189: | \[L_{189}\] | 22 × 19 × 29 × 211 × 379 × 1009 × 5779 × 31249 × 85429 × 912871 × 1258740001 |