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>
| 445: | \[L_{445}\] | 11 × 179 × 64343104471<11> × 196317700541<12> × 3565818352751<13> × 1254118270115351<16> × 22235502640988369<17> × 403876015898686909877891<24> |