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>
| 607: | \[L_{607}\] | 1998568519854223633759<22> × 5539925995675209955557667796101<31> × 73725454762801342959851027192008351<35> × 8783288861957217898313316378450727427081<40> |