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>
617: | \[L_{617}\] | 881807999374692263162623552650883434092674833548025120916866832559941434599328014086341873039457819883733564035369994616840509571<129> |