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>
| 1253: | \[L_{1253}\] | 29 × 359 × 112771 × 1210399 × 1066737847220321<16> × 4112644048373449<16> × 66932254279484647441<20> × 210888689200150967171880245277481<33> × 660416238270473636254965187306392965599886455901<48> × 125086226001187357684344658349492971273671336264059456552807532272476228190849970183828535440233570310830636754105401<117> |