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>
434: | \[L_{434}\] | 3 × 281 × 39929 × 541562561 × 3020733700601<13> × 8920293496632083<16> × 11066449548850921<17> × 923360588683401770105199074603<30> |