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>
| 1381: | \[L_{1381}\] | 24859 × 741331849 × 123148004933171<15> × 25857437840842204962876650377519<32> × 2526896994956794706378760741851993678493896108262824268149862700079705439978154074854999863566092900300595385141559<115> × 27595258299834198152386100154578519017043483670130968923180778758798619500962937795488759655445028136260163638573721<116> |