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>
| 438: | \[L_{438}\] | 2 × 32 × 7883 × 29201 × 88370003 × 5049205307<10> × 37125857850184727260788881<26> × 501210633555112203395744292840696029987<39> |