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>
| 432: | \[L_{432}\] | 2 × 769 × 863 × 2207 × 3167 × 303039789569567<15> × 73842573103586899487<20> × 115561578124838522881<21> × 79914045929576045795423<23> |