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>
| 315: | \[L_{315}\] | 22 × 11 × 19 × 29 × 31 × 71 × 181 × 211 × 541 × 631 × 911 × 1009 × 21211 × 31249 × 767131 × 1051224514831<13> × 1983000765501001<16> |