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>
524: | \[L_{524}\] | 7 × 747971804103841601<18> × 6173624690900660821445975391546859581976072877090360291946421045283190205902446493795560801<91> |