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>
| 559: | \[L_{559}\] | 521 × 5591 × 6709 × 144481 × 128884159 × 2211952480739<13> × 248332827425021<15> × 3336458177472462948299550779839077061919241345278777407469845042751<67> |