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>
| 552: | \[L_{552}\] | 2 × 47 × 367 × 1103 × 166703 × 10556128943<11> × 79124079649<11> × 12663962446607<14> × 37309023160481<14> × 441720958100381917103<21> × 20773980348027907767372962802857903<35> |