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>
| 523: | \[L_{523}\] | 20921 × 274784124660681396498401941<27> × 3475055723537056225345802931020432759408099909683980529877628306620220002646089<79> |