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>
522: | \[L_{522}\] | 2 × 33 × 107 × 347 × 31321 × 97787 × 187921 × 528295667 × 1270083883 × 5639710969<10> × 147369395346083<15> × 27000282379415989067<20> × 710570596577839833726178201<27> |