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>
| 939: | \[L_{939}\] | 22 × 1879 × 603905049450589<15> × 3061222674247460446963354559779<31> × 267755161013248863721372967356081<33> × 18016672825731382377794520748636269812726622024169<50> × 258899611203303418721656157249445530046830073044201152332257717521<66> |