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>
| * 2050: | \[L_{2050}\] | 3 × 412 × 163 × 401 × 570601 × 800483 × 350207569 × 628774904181521<15> × 143860188296781167161<21> × 362005225770994205801<21> × 621617867083002136801<21> × 2322429099336692919718294260481<31> × 305629301044369977765695540202865511347829269201<48> × [348995471719415695251346029178062831514583249222947557681161950549552551390996964101147693525689783190511535707560467328240222981011750503497755721849318962333781232244902243607947787468135632950857941776368692868389037331316257140440231572998201<246>] |