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>
| 635: | \[L_{635}\] | 11 × 509 × 5081 × 41911 × 487681 × 13822681 × 19954241 × 713121511 × 368108951146394616282193198969027758551<39> × 121020968315000050139390193815007405968017298243219711<54> |