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>
416: | \[L_{416}\] | 1087 × 4481 × 419329 × 727169 × 584875731540300882607396508321487635244484155302074048573424052273281<69> |