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>
| 1937: | \[L_{1937}\] | 521 × 952111 × 4434539 × 181391073876393811<18> × 1007024284234623409<19> × 3263039535803245519<19> × 9534700606049699419<19> × 51534744538138362881662830563261472154413204505152537460353543256955704906085322935661495795583399251433930200896034276891852996080190402485927579444774476648871313162457131742961506544995402664949664498413967523674131516675165378418171402159822568531432312430694742288958336658355658558431249841039988450477353143521<317> |