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>
| 631: | \[L_{631}\] | 44171 × 1796409995292380476379619979709464559<37> × 9368246368948018301108990220221467487796266388050695927694616917727596403747438250869778841<91> |