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>
| 537: | \[L_{537}\] | 22 × 359 × 75181 × 2354651274169<13> × 1066737847220321<16> × 66932254279484647441<20> × 927855877750398888674391034495585551014258193665643493009<57> |