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>
| 538: | \[L_{538}\] | 3 × 10340390129<11> × 878399895330260992841214499410533069953354944818027965075422545175036716738213265537001496078635993369<102> |