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>
| 474: | \[L_{474}\] | 2 × 32 × 947 × 21803 × 5924683 × 10279163 × 8411395441<10> × 14629892449<11> × 184715524801<12> × 5922309413062354009<19> × 376943442492584130991581889<27> |