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>
1506: | \[L_{1506}\] | 2 × 32 × 7027 × 95995741687334809<17> × 131870376143315723<18> × 43752953745391304027<20> × 25897558027605428323899934615903755803632225852908467<53> × 31116440382292663282882725485046766512193819925288243<53> × 32804354058552446982309666018542459878374400526739091991236824362147<68> × 293600609131554184662097709148170441700404322993308736646894126296993905128985766881<84> |