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>
| 1336: | \[L_{1336}\] | 47 × 43470767 × 186836929 × 18436167289103<14> × 388946194775532674286466530307952254703<39> × 42075520441912587578243173623335681754967593516367<50> × 572703709688402019960714427191932476134740023206287<51> × 24446114004545314768728284188757918188721206872806863314243217330813943736234088278367310184275597942838339247<110> |