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>
| 1480: | \[L_{1480}\] | 47 × 1601 × 3041 × 15400289 × 19088449 × 50586401 × 429703377601<12> × 77894162661647<14> × 89311781152481<14> × 754276330346432303<18> × 1431718274310220009296961<25> × 11254046806732679045276313761<29> × 16202777520897017797837997696502330115635934278471642380960798114443404527448770298591733646300413571692048721612326334540098913243002856010749092724719608266726658686401<170> |