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>
| 351: | \[L_{351}\] | 22 × 19 × 79 × 521 × 859 × 5779 × 65597689 × 1052645985555841<16> × 21104087776648187459376854003284008649<38> |