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>
| 454: | \[L_{454}\] | 3 × 907 × 4791205378649<13> × 33816563175289<14> × 51016310064806842883<20> × 3375800965214715251532319639509962280812586241<46> |