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>
303: | \[L_{303}\] | 22 × 809 × 7879 × 77569 × 3334819 × 42669355669<11> × 201062946718741<15> × 37202043349013064289<20> |