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>
| 230: | \[L_{230}\] | 3 × 41 × 4969 × 275449 × 3116523496881881<16> × 2224700455311857347241<22> |