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>
| 489: | \[L_{489}\] | 22 × 5869 × 1043201 × 6601501 × 328424797286984008609<21> × 1686454671192230445929<22> × 17494868405947001671095252113265784464651091<44> |