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>
| 195: | \[L_{195}\] | 22 × 11 × 31 × 79 × 131 × 521 × 859 × 1951 × 2081 × 2731 × 24571 × 866581 × 37928281 |