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>
| 374: | \[L_{374}\] | 3 × 43 × 67 × 307 × 2243 × 49369 × 63443 × 3827019260681<13> × 1586361987756363049<19> × 12812807672672518125975550387<29> |